Ecological transformation structure utilizing old retaining wall

Abstract

The utility model discloses an ecological transformation structure utilizing an old retaining wall, which is characterized in that wood-like piles are arranged on the water-facing side of the original retaining wall at intervals, a geotechnical cloth layer and a concrete layer are sequentially arranged on one side, close to the original retaining wall, of each wood-like pile, and a gentle slope connected with the elevation of a river bottom is arranged on one side, far away from the original retaining wall, of each wood-like pile; the coastal zone landscape is arranged on the side, far away from water, of the original retaining wall, the two cedarwood piles form a gradually-increased step-shaped multi-stage vegetation platform on the side, far away from the wood-imitating piles, of the coastal zone landscape, a gradually-increased levee slope is arranged on the side, far away from the coastal zone landscape, of the multi-stage vegetation platform, and a levee top road is arranged at the top end of the levee slope. According to the retaining wall reinforcing structure, the original retaining wall is reinforced on the waterside through matching of the wood-imitating piles and the gentle slopes, the stability of the original retaining wall is prevented from being improved, meanwhile, gaps are filled with the concrete layers, the coastal zone landscape is arranged in the variable-amplitude area, the multi-stage vegetation platform forms a step-shaped structure, the environment is beautified, meanwhile, the retaining wall reinforcing structure is suitable for different elevation water levels, and the water level can be visually observed conveniently.

Description

Technical Field

[0001] The utility model belongs to the technical field of ecological transformation structures of old retaining walls, and more specifically, relates to an ecological transformation structure of an old retaining wall. Background Art

[0002] The development trend of ecological revetments gradually changes from functional rigid revetments to green-plant type ecological revetments; from simple planar linear distribution to multi-dimensional spatial plant belt distribution; and from simple ecological revetment engineering measures to the combination of engineering and biological measures, so as to create biodiversity and enhance the visual beauty of the landscape.

[0003] During the treatment of small and medium-sized rivers, some non-town sections are often encountered. The flood control elevation of the existing dike top has reached the standard, and there is a well-built mortar rubble revetment on the shore buffer zone. Although the overall stability is not greatly affected after rectification according to the dredging scale, the soil in front of the wall is more or less disturbed to a certain extent, and the ecological property is poor, which does not match the requirements of the ecological civilization construction of urban planning. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies existing in the prior art, and provide an ecological transformation structure of an old retaining wall, so as to solve the problems that although the overall stability is not greatly affected after rectification according to the dredging scale in the prior art, the soil in front of the wall is more or less disturbed to a certain extent, and the ecological property is poor, which does not match the requirements of the ecological civilization construction of urban planning.

[0005] To achieve the above purpose, the utility model provides an ecological transformation structure of an old retaining wall, including:

[0006] Imitation wooden piles, which are arranged at intervals on the water-facing side of the original retaining wall. A geotextile layer and a concrete layer are sequentially arranged on one side of the imitation wooden pile close to the original retaining wall, and a gentle slope connected to the river bottom elevation is arranged on the side of the imitation wooden pile far from the original retaining wall;

[0007] Shoreline landscape, which is arranged on the water-away side of the original retaining wall and is higher than the imitation wooden piles;

[0008] At least two Chinese fir wooden piles, which form a multi-level vegetative platform with an increasing stepped shape on the side of the shoreline landscape far from the imitation wooden piles. A gradually rising dike slope is arranged on the side of the multi-level vegetative platform far from the shoreline landscape, and a dike top road is arranged at the top of the dike slope.

[0009] Optionally, the imitation wooden piles are closely arranged following the shape of the original retaining wall.

[0010] Optionally, the upper end of the original retaining wall is flush with the shoreline landscape, and the concrete layer and the geotextile layer are flush with the imitation wooden piles.

[0011] Optionally, the imitation wooden pile is higher than the gentle slope, and the slope ratio of the gentle slope is 1:2.5.

[0012] Optionally, the slope ratio of the embankment slope is not greater than 1:2.5, and the embankment slope is provided with protective turf.

[0013] Optionally, the shoreline zone landscape includes landscape rockfill and / or aquatic plants.

[0014] Optionally, the landscape rockfill is arranged on the water side of the aquatic plants.

[0015] Optionally, the imitation wooden pile is a C30 imitation wooden pile, and the concrete layer is a C25 plain concrete layer.

[0016] Optionally, the lower end of the imitation wooden pile is lower than the lower end of the original retaining wall.

[0017] Optionally, the lower end of the imitation wooden pile is lower than the lower end of the gentle slope.

[0018] The present utility model provides a structure for ecological transformation of an old retaining wall, and its beneficial effects are as follows:

[0019] This structure for ecological transformation of an old retaining wall strengthens the original retaining wall on the water side through imitation wooden piles in cooperation with a gentle slope, avoiding improving the stability of the original retaining wall. At the same time, the concrete layer fills the gap, the geotextile layer drains water, the shoreline zone landscape is set in the drawdown area, and the shoreline zone landscape adapts to the water level change, avoiding the plants from being frequently drought-stricken or drowned. The multi-level vegetation platforms form a stepped structure, beautifying the environment and coping with water levels at different elevations for use, and facilitating the direct observation of the water level. It can avoid large-scale excavation of the wall body and can also intensively save land resources; the disturbance of the slope surface is small, which is low-carbon and environmentally friendly.

[0020] Other features and advantages of the present utility model will be described in detail in the subsequent specific implementation part. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] By describing the exemplary embodiments of the present utility model in more detail in conjunction with the drawings, the above and other objects, features, and advantages of the present utility model will become more obvious, wherein, in the exemplary embodiments of the present utility model, the same reference numerals generally represent the same components.

[0022] Figure 1 FIG. shows a schematic structural diagram of a structure for ecological transformation of an old retaining wall according to an embodiment of the present utility model.

[0023] Description of the reference numerals in the drawings:

[0024] 1. Imitation wooden pile; 2. Geotextile layer; 3. Concrete layer; 4. Gentle slope; 5. Original retaining wall; 6. Chinese fir wooden pile; 7. Shoreline zone landscape; 8. Embankment slope; 9. Embankment top road. Detailed implementation mode

[0025] The preferred implementation modes of the present utility model will be described in more detail below. Although the preferred implementation modes of the present utility model are described below, it should be understood that the present utility model can be implemented in various forms and should not be limited by the implementation modes set forth herein. On the contrary, these implementation modes are provided to make the present utility model more thorough and complete, and to fully convey the scope of the present utility model to those skilled in the art.

[0026] As Figure 1 shown, a structure for ecological transformation of an old retaining wall includes:

[0027] Imitation wooden piles 1 are arranged at intervals on the water-facing side of the original retaining wall 5. A geotextile layer 2 and a concrete layer 3 are sequentially arranged on the side of the imitation wooden piles 1 close to the original retaining wall 5. A gentle slope 4 connected to the river bottom elevation is arranged on the side of the imitation wooden piles 1 far from the original retaining wall 5;

[0028] A shoreline landscape 7 is arranged on the water-away side of the original retaining wall 5 and is higher than the imitation wooden piles 1;

[0029] At least two Chinese fir wooden piles 6 form a stepped multi-level vegetation platform with an increasing trend on the side of the shoreline landscape 7 far from the imitation wooden piles 1. A gradually rising embankment slope 8 is arranged on the side of the multi-level vegetation platform far from the shoreline landscape 7. The top of the embankment slope 8 is provided with an embankment top road 9.

[0030] Specifically, the original retaining wall 5 is reinforced on the water-facing side by the imitation wooden piles 1 in cooperation with the gentle slope 4 to avoid improving the stability of the original retaining wall 5. At the same time, the concrete layer fills the gaps, and the geotextile layer 2 drains and plugs leaks. The shoreline landscape 7 is arranged in the variable amplitude area, and the shoreline landscape 7 adapts to the water level change to avoid the plants being frequently drought-stricken or drowned. The multi-level vegetation platform forms a stepped structure, beautifying the environment and coping with the water levels at different elevations, and facilitating the direct observation of the water level. The embankment top road 9 is used for driving.

[0031] In this embodiment, the imitation wooden piles 1 are closely arranged following the shape of the original retaining wall 5.

[0032] Specifically, the imitation wooden piles 1 are arranged following the shape to ensure uniform and stable support for the original retaining wall 5.

[0033] In this embodiment, the upper end of the original retaining wall 5 is flush with the shoreline landscape 7, and the concrete layer 3 and the geotextile layer 2 are flush with the imitation wooden piles 1.

[0034] Specifically, the top of the original retaining wall 5 can be demolished to make the original retaining wall 5 flush with the waterway landscape 7, ensuring environmental beauty and facilitating mutual appreciation between the two banks.

[0035] In this embodiment, the imitation wooden piles 1 are higher than the gentle slope 4, and the slope ratio of the gentle slope 4 is 1:2.5.

[0036] Specifically, the imitation wood piles 1 are higher than the gentle slope 4, corresponding to different water levels.

[0037] In this embodiment, the slope ratio of the embankment slope 8 is not greater than 1:2.5, and the embankment slope 8 is provided with protective turf.

[0038] Specifically, a reasonable slope ratio should be set to adapt to the river layout.

[0039] In this embodiment, the coastal landscape 7 includes landscape rocks and / or aquatic plants.

[0040] Specifically, choose appropriate landscape settings based on the water level environment.

[0041] In this embodiment, the landscape rocks are arranged on the water side of the aquatic plants.

[0042] Specifically, landscape rock piles can buffer and protect aquatic plants from the impact of water flow or debris in the water.

[0043] In this embodiment, the imitation wood pile 1 is a C30 imitation wood pile 1 , and the concrete layer 3 is a C25 plain concrete layer 3 .

[0044] In this embodiment, the lower end of the imitation wood pile 1 is lower than the lower end of the original retaining wall 5 .

[0045] Specifically, the imitation wood piles 1 are deeply buried to ensure the stability of the imitation wood piles 1 , thereby ensuring the stability of the support for the original retaining wall 5 .

[0046] In this embodiment, the lower end of the imitation wood pile 1 is lower than the lower end of the gentle slope 4 .

[0047] Specifically, the imitation wood pile 1 is deeply buried to ensure the stability of the imitation wood pile 1 .

[0048] This embodiment uses the ecological transformation structure of the old retaining wall. Taking the riverside use as an example, the upper part of the existing mortar-laid block stone retaining wall near the river is chiseled off to an elevation of 2.90m. A C30 imitation wood pile 1 with a tip diameter of not less than 20cm is set in front of the wall, closely arranged, with a pile length of 3m and a pile top elevation of 2.60m. The imitation wood pile 1 facing the water is sloped to the planned river bottom elevation at a ratio of 1:2.5. C25 plain concrete is poured between the imitation wood pile 1 and the retaining wall body, and a layer of 400g / m2 anti-seepage geomembrane is set on the inner side of the imitation wood pile 1. Landscape stone piles or aquatic plants are planted in the water level fluctuation area. 1.5m long densely arranged fir wood piles 6 are set at elevations of 3.30m and 3.90m respectively to form a multi-level vegetation platform. Grass slope protection is set at elevations of 3.90m~5.50m, with a slope ratio not steeper than 1:2.5, and a dike road 9 is set at the top of the slope.

[0049] 1. This structure makes full use of the existing retaining wall. By chiseling the upper part to form a hydrophilic platform and then arranging multiple levels of Chinese fir piles 6 vegetation steps in a stepped manner, it can not only avoid large-scale excavation of the wall but also save land resources intensively. The disturbance to the slope surface is small, which is low-carbon and environmentally friendly.

[0050] 2. The construction of chiseling the upper part of the existing retaining wall + multiple levels of vegetation platforms for the revetment is of low difficulty, low-carbon and environmentally friendly, with resource utilization in circular economy and less environmental pollution to the surrounding area.

[0051] 3. At the waterfront platform, landscape yellowstones can be stacked as needed and aquatic plants can be planted, with good hydrophilicity, being beautiful, comfortable and having good coordination with the surrounding landscape.

[0052] 4. By adopting multiple levels of Chinese fir piles 6 vegetation platforms, plant species suitable for all seasons can be set on the platforms, with excellent ecological landscape effects, strong coordination and integration with the surrounding environment, and having certain value for popularization and application.

[0053] The embodiments of the present utility model have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments.

Claims

1. An ecological transformation structure using old retaining walls, characterized in that: include: Imitation wood piles, the imitation wood piles are arranged at intervals on the water side of the original retaining wall, a geotextile layer and a concrete layer are arranged in sequence on the side of the imitation wood piles close to the original retaining wall, and a gentle slope connected to the river bottom elevation is arranged on the side of the imitation wood piles away from the original retaining wall; A shoreline landscape, wherein the shoreline landscape is arranged on the far water side of the original retaining wall and is higher than the imitation wood piles; At least two fir wood piles form a multi-level vegetation platform with increasing steps on the side of the coastal landscape away from the imitation wood piles. A gradually rising embankment slope is arranged on the side of the multi-level vegetation platform away from the coastal landscape, and a embankment road is arranged on the top of the embankment slope.

2. The ecological transformation structure using old retaining walls according to claim 1 is characterized in that: The imitation wood piles are densely arranged according to the shape of the original retaining wall.

3. The ecological transformation structure utilizing old retaining walls according to claim 1 is characterized in that: The upper end of the original retaining wall after the top is removed is flush with the shoreline landscape, and the concrete layer and the geotextile layer are flush with the imitation wood piles.

4. The ecological transformation structure using old retaining walls according to claim 1 is characterized in that: The imitation wood piles are higher than the gentle slope, and the slope ratio of the gentle slope is 1:2.

5.

5. The ecological transformation structure using old retaining walls according to claim 1 is characterized in that: The slope ratio of the embankment slope is not greater than 1:2.5, and the embankment slope is provided with protective turf.

6. The ecological transformation structure using old retaining walls according to claim 1 is characterized in that: The coastal zone landscape includes landscape rock piles and / or aquatic plants.

7. The ecological transformation structure using old retaining walls according to claim 6 is characterized in that: The landscape rock pile is arranged on the water-proximal side of the aquatic plants.

8. The ecological transformation structure using old retaining walls according to claim 1 is characterized in that: The imitation wood piles are C30 imitation wood piles, and the concrete layer is a C25 plain concrete layer.

9. The ecological transformation structure using old retaining walls according to claim 1 is characterized in that: The lower end of the imitation wood pile is lower than the lower end of the original retaining wall.

10. The ecological transformation structure using old retaining walls according to claim 1 is characterized in that: The lower end of the imitation wood pile is lower than the lower end of the gentle slope.

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