Anti-slide pile structure suitable for booster station slope treatment

Abstract

The utility model discloses an anti-slide pile structure suitable for booster station slope treatment, which is characterized in that a flat area used as a booster station land is formed on a mountain slope, an anti-slide pile is arranged on the high-altitude side of the flat area, and a retaining wall is arranged on the low-altitude side of the flat area; the multiple slide-resistant piles are arranged side by side at intervals, and the lower ends of the slide-resistant piles penetrate into a stable soil layer of a mountain; a soil retaining plate is arranged on the high-altitude side of each anti-slide pile, and each soil retaining plate is located at the interval position between every two adjacent anti-slide piles and connected with the corresponding two adjacent anti-slide piles. A water drainage hole is formed in the soil retaining plate, an inverted filter layer is arranged on the high-altitude side of the soil retaining plate, and the position of the inverted filter layer corresponds to the water drainage hole. According to the scheme, the soil retaining plates are arranged to prevent a landslide body from sliding downwards, meanwhile, the anti-slide piles on the two sides are connected, the overall stability of the anti-slide piles is enhanced, the anti-slide piles are used in combination with retaining walls or protection slopes in small-height excavation and backfill areas, station site selection of the booster station is more flexible, and the problem that site selection of the booster station is difficult can be effectively solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of slope treatment, and particularly relates to an anti-slide pile structure suitable for the slope treatment of a booster station. Background Art

[0002] At present, in new energy projects, in order to select a suitable location for the booster station, there are the following two common methods. One is through land transfer, but it affects the construction period and may be far from the photovoltaic and wind farm areas. The other is in the area with a gentle mountain slope. By excavating part of the mountain to form a flat area for the layout of the booster station, the upright mountain after excavation is supported by anti-slide piles to avoid landslides.

[0003] If there is no flat or gentle slope area in the project area for the use of the booster station, the project may give up investment and construction. In order not to veto excellent new energy projects due to the problem of booster station land use, it is necessary to improve the disadvantage that the commonly used retaining wall can only support gentle slopes. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is as follows: to provide an anti-slide pile structure suitable for the slope treatment of a booster station, to make up for the deficiency that the retaining wall can only support relatively gentle mountains, to eliminate the defect that it is difficult to find flat terrain in mountainous areas, and to realize the ability to support high and steep slopes, so as to solve the difficulty that it is not easy to select a booster station for mountain new energy projects or even veto an excellent new energy project due to this.

[0005] According to the technical solution of the utility model, the utility model provides an anti-slide pile structure suitable for the slope treatment of a booster station. A flat area used as the land for the booster station is formed on the mountain slope. Anti-slide piles are arranged on the high-altitude side of the flat area, and a retaining wall is arranged on the low-altitude side of the flat area. The anti-slide piles are multiple and arranged side by side at intervals. The lower ends of the anti-slide piles penetrate into the stable soil layer of the mountain body. A retaining plate is arranged on the high-altitude side of the anti-slide piles. The retaining plate is located at the spacing position between two adjacent anti-slide piles and is respectively connected to the two adjacent anti-slide piles. Drainage holes are arranged on the retaining plate, and an anti-filter layer is arranged on the high-altitude side of the retaining plate, and the position of the anti-filter layer corresponds to the drainage holes.

[0006] Furthermore, the retaining plate is of a reinforced concrete structure, which includes horizontally arranged horizontal steel bars and vertically arranged vertical steel bars. The horizontal steel bars and the vertical steel bars are arranged in a grid shape and there are two layers in the thickness direction of the retaining plate. It also includes tie bars, and the tie bars connect the vertical steel bars of adjacent two layers.

[0007] Furthermore, the retaining plate is connected to the anti-slide pile through expansion bolts near the edge.

[0008] Furthermore, there are multiple drainage holes, which are arranged in a plum blossom shape on the retaining wall.

[0009] Furthermore, the drain hole is a PVC drain pipe.

[0010] Furthermore, the thickness of the retaining plate is 200 mm, the height of the retaining plate is 1 m to 1.5 m, and the width of the overlapping part of each side of the retaining plate with the anti-slide pile is not less than 250 mm.

[0011] Furthermore, the thickness of the filter layer is not less than 500 mm.

[0012] Furthermore, the diameter of the drain hole is 50 mm, and the distance between adjacent drain holes is not less than 2 m.

[0013] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:

[0014] The present utility model uses anti-slide piles to penetrate through the landslide mass and reach the stable soil layer and rock layer below the sliding surface, which is used to resist the sliding force of the landslide mass, balance the thrust of the landslide mass, and play a role in stabilizing the slope, so as to solve the problem that a booster station cannot be built in the high and steep mountain area; according to the thickness of the landslide mass, the magnitude of the thrust, the waterproof requirement and the construction conditions, different types of pile types are selected, such as steel piles, reinforced concrete piles, etc., and the pile diameter, length and the depth into the stable layer are determined; inside the anti-slide pile, a concrete retaining plate is arranged to prevent the landslide mass from sliding down, and at the same time, it connects the anti-slide piles on both sides, enhancing the overall stability of the anti-slide pile; in the excavation and backfilling areas with relatively small heights, it is used in combination with retaining walls or slopes, making the selection of the booster station site more flexible and effectively solving the problem of difficult selection of the booster station site. Description of the Drawings

[0015] Figure 1 is a schematic diagram of the overall sectional structure according to an embodiment of the present utility model.

[0016] Figure 2 is a schematic diagram of the top view at the retaining plate according to an embodiment of the present utility model.

[0017] Explanation of the reference numerals in the drawings:

[0018] 1. Anti-slide pile; 2. Retaining wall; 3. Retaining plate; 4. Expansion screw; 5. Filter layer; 6. Drain hole; 7. Horizontal steel bar; 8. Vertical steel bar; 9. Tie bar; 10. Leveled area. Detailed Embodiment

[0019] The present utility model provides an anti-slide pile structure applicable to the slope treatment of a booster station. In other words, it is a slope treatment type, especially applicable to the mountainous terrain with limited ground area. Its main purpose is to make up for the deficiency that the retaining wall can only support relatively gentle mountains, eliminate the defect of difficult search for flat terrain in the mountainous area, and realize the ability to support high and steep slopes, so as to solve the difficulty of poor site selection for the booster station of mountain new energy projects or even reject a new energy project with excellent resources due to this.

[0020] Please refer to Figure 1 、 Figure 2 , a anti-slide pile structure applicable to the slope treatment of a booster station in an embodiment of the present utility model. An excavation (and backfilling) is carried out on a mountain slope to form a flat area 10 used as the land for the booster station, and the ground of the flat area 10 is horizontal. On the high-altitude side of the flat area 10 ( Figure 1 the left side in Figure 1 ), an anti-slide pile 1 is provided, and a retaining wall 2 is provided on the low-altitude side of the flat area 10 (

[0021] the right side in

[0022] ). The retaining wall 2 is used to support and enclose the foundation and buildings within the booster station. The anti-slide piles 1 are multiple and arranged horizontally side by side at intervals, and the lower ends of the anti-slide piles 1 penetrate into the stable soil layer of the mountain body. The anti-slide piles 1 are used to retain the landslide body (or sliding body), balance the thrust of the landslide body, the depth of penetration into the stable soil layer is H1, the height above the stable soil layer is H2, the pile length, pile width b, and pile height h need to be determined by anti-slide checking calculations according to factors such as soil type and height. The pile spacing s is usually 3 to 5 times the pile width b, and it should be ensured that the landslide body does not slide out between the piles. The anti-slide piles 1 are, for example, steel piles, reinforced concrete piles, etc.

[0023] More specifically, the retaining plate 3 is a reinforced concrete structure, which includes horizontal steel bars 7 arranged horizontally and vertical steel bars 8 arranged vertically. The horizontal steel bars 7 and the vertical steel bars 8 are arranged in a grid shape and are arranged in two layers in the thickness direction of the retaining plate 3, in other words, a double-layer structure. It also includes tie bars 9, which connect the vertical steel bars 8 of two adjacent layers. Optionally, the tie bars 9 also connect the horizontal steel bars 7 with the vertical steel bars 8. The spacing between adjacent horizontal steel bars 7 is, for example, 200mm, and the diameter of the horizontal steel bars 7 is calculated and determined according to the stress conditions; the spacing between adjacent vertical steel bars 8 is, for example, 200mm, and the diameter of the vertical steel bars 8 is calculated and determined according to the stress conditions; the spacing between adjacent tie bars 9 is ≤400mm, and the diameter of the tie bars 9 is ≥8mm. The retaining plate 3 is connected to the anti-sliding pile 1 by expansion screws 4 near the edge, and the width of the overlapping part of each side of the retaining plate 3 with the anti-sliding pile 1 is not less than 250mm. The thickness of the retaining plate 3 is, for example, 200 mm, and the height of the retaining plate 3 is, for example, 1 m to 1.5 m.

[0024] To facilitate a further understanding of the characteristics of this scheme, the following is a construction method for this scheme. This scheme should be implemented in the following way: first measure the topographic map and geological conditions in the booster station area, dig out a flat area according to the red line range of the booster station, prefabricate the retaining plate while constructing anti-slide piles, and install the retaining plate while constructing the retaining wall or slope protection. The construction sequence and method are as follows:

[0025] 1. Accurately measure the topography and geological conditions in the booster station area;

[0026] 2. According to the red line of the booster station, level the site, dig out the leveled area and construct retaining wall 2. The height and type of the retaining wall are determined according to the on-site topography;

[0027] 3. Determine the height and range to be treated according to the height, slope and soil quality of the mountain, determine the anti-slide piles H1, H2, width b, length h, and the net distance s between the piles;

[0028] 4. While constructing the anti-slide piles, the retaining plate 3 can be prefabricated. The prefabrication should be carried out according to Figure 2 Horizontal, vertical and tie steel bars are configured in this way. The width is usually 200mm and the height can be 1~1.5m. The anti-slide piles on each side of the retaining plate should be ≥250mm wide. At the same time, remember to reserve drainage holes in the shape of plum blossoms with a spacing of 2m.

[0029] 5. After installing the retaining wall, a filter layer 5 shall be arranged near the drainage hole, with a depth of not less than 500mm;

[0030] 6. Finally, construct retaining walls or slope protection in areas with lower heights to make the entire slope management system complete and reliable.

[0031] The design concept of the present utility model is as follows: The anti-slide pile penetrates through the landslide mass and extends into the stable soil layer and rock layer below the sliding surface, which is used to resist the sliding force of the landslide mass, balance the thrust of the landslide mass, and play a role in stabilizing the slope, so as to solve the problem that a booster station cannot be built in high and steep mountain areas.

[0032] The beneficial effects of the present utility model are as follows: According to the thickness of the landslide mass, the magnitude of the thrust, the waterproof requirement and the construction conditions, different types of pile shapes are selected, such as steel piles, reinforced concrete piles, etc., and the pile diameter, length and the depth into the stable layer are determined; Inside the anti-slide pile, a concrete retaining plate is set to block the landslide mass from sliding down, and at the same time, it connects the anti-slide piles on both sides, enhancing the overall stability of the anti-slide pile; It is used in combination with retaining walls or slopes in excavation and backfilling areas with relatively small heights, making the site selection of the booster station more flexible and effectively solving the problem of difficult site selection for the booster station.

Claims

1. An anti-slide pile structure applicable to the slope treatment of a booster station, characterized in that, A flat area (10) used as a booster station site is formed on the mountain slope. Anti-slide piles (1) are arranged on the high-altitude side of the flat area (10), and a retaining wall (2) is arranged on the low-altitude side of the flat area (10); the anti-slide piles (1) are multiple and arranged side by side at intervals, and the lower ends of the anti-slide piles (1) penetrate into the stable soil layer of the mountain body; a retaining plate (3) is arranged on the high-altitude side of the anti-slide piles (1), and the retaining plate (3) is located at the spacing position between two adjacent anti-slide piles (1) and is respectively connected to the two adjacent anti-slide piles (1); drain holes (6) are arranged on the retaining plate (3), and a filter layer (5) is arranged on the high-altitude side of the retaining plate (3), and the position of the filter layer (5) corresponds to that of the drain holes (6).

2. The anti-slide pile structure applicable to the slope treatment of a booster station according to claim 1, wherein The retaining plate (3) is of a reinforced concrete structure, including horizontally arranged horizontal steel bars (7) and vertically arranged vertical steel bars (8). The horizontal steel bars (7) and the vertical steel bars (8) are arranged in a grid pattern and there are two layers in the thickness direction of the retaining plate (3); it also includes tie bars (9), and the tie bars (9) connect the adjacent two layers of vertical steel bars (8).

3. The anti-slide pile structure applicable to the slope treatment of a booster station according to claim 1, characterized in that, The retaining plate (3) is connected to the anti-slide pile (1) by expansion bolts (4) near the edge.

4. The anti-slide pile structure applicable to the slope treatment of a booster station according to claim 1, characterized in that, There are multiple drain holes (6), which are arranged in a plum blossom pattern on the retaining wall (2).

5. The anti-slide pile structure applicable to the slope treatment of a booster station according to claim 1, characterized in that, The drain holes (6) are PVC drain pipes.

6. The anti-slide pile structure applicable to the slope treatment of a booster station according to any one of claims 1-5, characterized in that, The thickness of the retaining plate (3) is 200 mm, the height of the retaining plate (3) is 1 m to 1.5 m, and the width of the overlapping part of each side of the retaining plate (3) with the anti-slide pile (1) is not less than 250 mm.

7. The anti-slide pile structure applicable to the slope treatment of a booster station according to any one of claims 1-5, characterized in that, The thickness of the filter layer (5) is not less than 500 mm.

8. The anti-slide pile structure applicable to the slope treatment of a booster station according to claim 4, characterized in that, The diameter of the drain holes (6) is 50 mm, and the spacing between adjacent drain holes (6) is not less than 2 m.

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