Precast concrete ecological retaining wall
Through the combined assembly and mechanized production of precast concrete ecological retaining walls, the problems of low construction efficiency, unstable quality and large environmental impact of traditional retaining walls have been solved, and efficient, low-cost and environmentally friendly construction results have been achieved.
Patent Information
- Application Number
- CN202421679199.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-07-16
AI Technical Summary
Traditional retaining wall construction technology has many processes and long process intervals, resulting in low construction efficiency, long construction period, and quality depends on the workers' construction technology, is not easy to ensure, is easily affected by rainwater weather, is high in cost and does not conform to green construction and energy saving Carbon reduction requirements.
Precast concrete ecological retaining walls are used, and are assembled through the combination of prefabricated standard blocks A and B. Green planting grooves and drainage holes are used to implement green plant implantation, simplifying the construction process, and using mechanized production and factory prefabricated production to reduce labor costs and environmental impact.
It greatly improves construction efficiency, shortens the construction period, reduces labor and machinery rental costs, ensures construction quality, reduces the generation of construction waste, and meets the requirements of green construction, energy conservation and carbon reduction.
Smart Images
Figure CN222375496U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of retaining walls, in particular to a prefabricated concrete ecological retaining wall. Background Art
[0002] At present, the traditional retaining wall construction technology has many processes and long intervals between processes, resulting in low construction efficiency and long construction period. The quality of the retaining wall depends on the workers' construction technology, which is not easy to guarantee and is easily affected by rainy weather. The investment in labor, construction machinery, materials and equipment during the construction process is large, which is not conducive to controlling construction costs. At the same time, on-site wet operations no longer meet the requirements of green construction and energy conservation and carbon reduction. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a prefabricated concrete ecological retaining wall which has a reasonable structure, is convenient to construct, reduces costs and increases efficiency, and meets the requirements of green construction and energy conservation and carbon reduction, in view of the defects of traditional retaining walls.
[0004] The technical solution adopted by the utility model to solve its technical problems is:
[0005] A prefabricated concrete ecological retaining wall, comprising a prefabricated standard block A and a prefabricated standard block B, wherein the prefabricated standard block A is provided with two through connection holes I and an upwardly open greening groove, wherein a drainage hole is provided at the bottom of the greening groove, and the prefabricated standard block B is provided with two through connection holes II, wherein one side of the prefabricated standard block A is an outer convex arc surface, and one side of the prefabricated standard block B is an inner concave arc surface;
[0006] When the prefabricated standard block A is combined with the prefabricated standard block B, the prefabricated standard block A and the prefabricated standard block B are arranged adjacent to each other in an alternating manner horizontally as a base and connected to the reserved steel bars of the foundation. The prefabricated standard block A and the prefabricated standard block B are arranged adjacent to each other in an alternating manner vertically, and the connection hole I and the connection hole II are aligned and placed. After the combination and assembly are completed, green plants can be planted in the greening groove of the prefabricated standard block A.
[0007] Furthermore, the curvatures of the concave and convex parts of the prefabricated standard block A and the prefabricated standard block B are consistent.
[0008] Furthermore, the greening groove of the prefabricated standard block A is a cone.
[0009] Furthermore, the prefabricated standard block A and the prefabricated standard block B are fine stone concrete structures.
[0010] Furthermore, the prefabricated standard block A and the prefabricated standard block B are prefabricated as a whole.
[0011] Another technical solution: a prefabricated concrete ecological retaining wall, comprising a prefabricated standard block A and a prefabricated standard block C, wherein the prefabricated standard block A is provided with two through connection holes I and an upwardly open greening groove, the bottom of the greening groove is provided with a drainage hole, and the prefabricated standard block C is provided with two through connection holes III, one side of the prefabricated standard block A is an outer convex arc surface, and one side of the prefabricated standard block C is an inner concave arc surface arranged symmetrically;
[0012] When the prefabricated standard block A is combined with the prefabricated standard block C, the prefabricated standard block A is arranged adjacent to each other horizontally as a base and connected to the reserved steel bars of the foundation, and the prefabricated standard block A is arranged adjacent to the prefabricated standard block C vertically, and the upper left connection hole III is aligned with the lower right connection hole I. After the combination and assembly is completed, green plants can be planted in the greening groove of the prefabricated standard block A;
[0013] Alternatively, the prefabricated standard blocks C are arranged adjacent to each other horizontally as a base and connected to the reserved steel bars of the foundation, and the prefabricated standard blocks C and A are arranged adjacent to each other vertically and staggered, and the upper left connection hole I and the lower right connection hole III are aligned and placed, and after the combination and assembly are completed, green plants can be planted in the greening groove of the prefabricated standard block A.
[0014] Furthermore, the curvatures of the concave and convex parts of the prefabricated standard block A and the prefabricated standard block C are consistent.
[0015] Furthermore, the greening groove of the prefabricated standard block A is a cone.
[0016] Furthermore, the prefabricated standard block A and the prefabricated standard block C are fine stone concrete structures.
[0017] Furthermore, the prefabricated standard block A and the prefabricated standard block C are prefabricated as a whole.
[0018] Compared with the prior art, the utility model has the following beneficial effects:
[0019] Cost: The process is simple, and the three processes of masonry, grouting and maintenance of traditional retaining walls are simplified to one process of component assembly. The use of manual and mechanical construction methods greatly reduces the labor workload and labor costs. The standardized and batch production methods of components have greatly reduced the unit cost of components. The fast on-site installation speed can effectively reduce project management costs, machinery rental costs and capital costs.
[0020] Quality: The utility model adopts standardized design, mechanized production, and factory-prefabricated components. It has unified production standards, precise process equipment, a stable workforce, high-quality workers, and the component production process is less affected by weather, making it easy to ensure quality.
[0021] Progress: The utility model is centrally produced in the factory and installed on site by manual labor and machinery, which simplifies the process and greatly improves the construction speed. In addition, the on-site installation work is less affected by environmental factors such as weather, and the construction period can be shortened by 80% compared with traditional retaining wall construction.
[0022] Energy conservation, environmental protection and social benefits: The utility model is centrally produced in factories and does not require on-site mold making, which greatly reduces the amount of wet work on site and the generation of construction waste. It replaces traditional retaining walls with prefabricated retaining walls, reduces clay mining, and to a certain extent strengthens the protection of cultivated land, which is beneficial to environmental protection. It gradually transitions traditional process technology to prefabricated construction technology based on modern technology, which is conducive to promoting the application and development of building industrialization in engineering construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of the present utility model;
[0024] Figure 2 It is a schematic diagram of the three-dimensional structure of the prefabricated standard block A;
[0025] Figure 3 It is a top view of the prefabricated standard block A;
[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the prefabricated standard block B;
[0027] Figure 5 It is a top view of the prefabricated standard block B;
[0028] Figure 6 This is a schematic diagram of the structure of Embodiment 2 of the present utility model;
[0029] Figure 7 It is a schematic diagram of the three-dimensional structure of the prefabricated standard block C;
[0030] Figure 8 It is a top view of the prefabricated standard block C;
[0031] Explanation of the reference numerals in the figure: 1. Prefabricated standard block A, 1-1, connection hole I, 1-2, greening groove, 1-3, drainage hole; 2. Prefabricated standard block B, 2-1, connection hole II; 3. Prefabricated standard block C, 3-1, connection hole III. DETAILED DESCRIPTION
[0032] The following is a clear and complete description of the technical solution of the utility model in conjunction with the accompanying drawings and embodiments. Obviously, the described embodiments are part of the embodiments of the utility model, but not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] Example 1
[0034] Reference Figures 1 to 5 A prefabricated concrete ecological retaining wall comprises a prefabricated standard block A1 and a prefabricated standard block B2. The prefabricated standard block A1 is provided with two through connection holes Ⅰ1-1 and an upwardly open greening groove 1-2. The bottom of the greening groove 1-2 is provided with three drainage holes 1-3. The prefabricated standard block B2 is provided with two through connection holes Ⅱ2-1. One side of the prefabricated standard block A1 is an outer convex arc surface, and one side of the prefabricated standard block B2 is an inner concave arc surface.
[0035] When the prefabricated standard block A1 is combined with the prefabricated standard block B2, the prefabricated standard block A1 is arranged adjacent to the prefabricated standard block B2 in an alternating manner horizontally as a base and connected to the reserved steel bars of the foundation. The prefabricated standard block A1 is arranged adjacent to the prefabricated standard block B2 in an alternating manner vertically, and the connecting hole Ⅰ1-1 is aligned with the connecting hole Ⅱ2-1. After the combination and assembly is completed, green plants can be planted in the greening groove 1-2 of the prefabricated standard block A1.
[0036] In this embodiment, the curvature of the concave and convex parts of the prefabricated standard block A1 and the prefabricated standard block B2 is consistent. The size of the connection hole Ⅰ1-1 and the connection hole Ⅱ2-1 is 80*160mm. The use of this standard block assembly is conducive to the rapid assembly of the retaining wall and the overall shape is beautiful. The connection hole is connected to the reserved steel bar of the foundation and fixed by pouring fine stone concrete into the connection hole.
[0037] In this embodiment, the greening groove 1-2 of the prefabricated standard block A1 is a cone, and the upper diameter is 910mm, the bottom diameter is 510mm, and the diameter of the three drainage holes 1-3 at the bottom of the greening groove 1-2 is 20mm.
[0038] In this embodiment, the prefabricated standard block A1 and the prefabricated standard block B2 are fine stone concrete structures, the center of gravity is on one side of the connection hole, and the whole is fixed on the reserved steel bars of the foundation, with good stability and strong bearing capacity.
[0039] In this embodiment, the prefabricated standard block A1 and the prefabricated standard block B2 are prefabricated in an integral manner, with a length of 1000 mm, a height of 500 mm, and a width of 300-600 mm.
[0040] The construction method comprises the following steps:
[0041] Component prefabrication: prefabricated components such as prefabricated standard blocks A1 and prefabricated standard blocks B2 are mass-produced in the factory and numbered according to specifications and installation locations;
[0042] Component acceptance: The construction unit shall check the component factory certificate, quality inspection report, and component appearance dimensions. It is strictly forbidden to accept components that do not meet the requirements. Qualified components shall be classified and stacked according to specifications, and the stacking height should not exceed 1.5m;
[0043] Measurement and setting out: After the foundation pit is excavated to the designed elevation and the concrete cushion is poured and reaches the designed strength, the positioning dimension line of the foundation is measured and laid out according to the requirements of the construction drawing. The dimension deviation is controlled within ±10mm, and the positioning steel bars are reserved according to the design drawings;
[0044] Installation of prefabricated standard blocks of the base: The prefabricated standard blocks of the base are hoisted and placed using a 3t truck crane. Before hoisting, the hoisting equipment and hoisting points must be checked. After confirming that they are safe and secure, the hoisting equipment should be placed. The horizontal angle of the sling should be greater than 60°, and the hoisting should be balanced and symmetrical. The prefabricated standard blocks of the base are hoisted into the foundation pit with manual assistance, and the through connection holes are aligned with the reserved positioning steel bars. When lowering, the bottom edge is aligned with the foundation edge line ink line that has been marked on the cushion layer. The crane is directed to slowly lower it to ensure that the edge position of the prefabricated standard blocks of the base is accurate and the positioning steel bars are located in the center of the connection holes;
[0045] Installation of upper prefabricated standard blocks: After the prefabricated standard blocks of the base are installed, the upper prefabricated standard blocks are hoisted in the same way, and the positioning steel bars are ensured to be located in the center of the connection holes;
[0046] Fine stone concrete filling: After the prefabricated standard block is calibrated and accepted, the fine stone concrete filling of the connection hole can be carried out; the filling hole adopts micro-expansion fine stone concrete, and the concrete strength grade should be one grade higher than that of the prefabricated standard block concrete; before filling the hole, clean up the debris and garbage in the hole, sprinkle water to moisten it, and vibrate and compact it while pouring;
[0047] Planting green plants: Place some pebbles at the bottom of the planting trough as a cushion layer to prevent the planting soil from being soaked by rainwater and flowing out from the drainage holes. After the cushion layer is laid, put the planting soil in and then transplant the green plants.
[0048] Example 2
[0049] Reference Figure 2 , Figure 3 , Figure 6 , Figure 7 and Figure 8A prefabricated concrete ecological retaining wall comprises a prefabricated standard block A1 and a prefabricated standard block C3. The prefabricated standard block A1 is provided with two through connection holes Ⅰ1-1 and an upwardly open greening groove 1-2. The bottom of the greening groove 1-2 is provided with three drainage holes 1-3. The prefabricated standard block C3 is provided with two through connection holes Ⅲ3-1. One side of the prefabricated standard block A1 is an outer convex arc surface, and one side of the prefabricated standard block C3 is an inner concave arc surface arranged symmetrically.
[0050] When the prefabricated standard block A1 is combined with the prefabricated standard block C3, the prefabricated standard block A1 is arranged adjacent to each other horizontally as a base and connected to the reserved steel bars of the foundation. The prefabricated standard block A1 and the prefabricated standard block C3 are arranged adjacent to each other vertically and staggered, and the upper left connecting hole III3-1 and the lower right connecting hole I1-1 are aligned and placed. After the combination and assembly are completed, green plants can be planted in the greening groove 1-2 of the prefabricated standard block A1.
[0051] Of course, when the prefabricated standard block A1 is combined with the prefabricated standard block C3, the prefabricated standard block C3 can be arranged adjacent to each other horizontally as a base and connected to the reserved steel bars of the foundation, and the prefabricated standard block C3 can be arranged adjacent to the prefabricated standard block A1 vertically and staggered, and the upper left connecting hole Ⅰ1-1 and the lower right connecting hole Ⅲ3-1 can be aligned and placed. After the combination and assembly are completed, green plants can be planted in the greening groove 1-2 of the prefabricated standard block A1.
[0052] In this embodiment, the curvature of the concave and convex parts of the prefabricated standard block A1 and the prefabricated standard block C3 are consistent. The size of the connection hole Ⅰ1-1 and the connection hole Ⅲ3-1 is 80*160mm. The use of this standard block assembly is conducive to the rapid assembly of the retaining wall and the overall shape is beautiful. The connection hole is connected to the reserved steel bar of the foundation and fixed by pouring fine stone concrete into the connection hole.
[0053] In this embodiment, the greening groove 1-2 of the prefabricated standard block A1 is a cone, and the upper diameter is 910mm, the bottom diameter is 510mm, and the diameter of the three drainage holes 1-3 at the bottom of the greening groove 1-2 is 20mm.
[0054] In this embodiment, the prefabricated standard block A1 and the prefabricated standard block C3 are fine stone concrete structures, the center of gravity is on one side of the connection hole, and the whole is fixed on the reserved steel bars of the foundation, with good stability and strong bearing capacity.
[0055] In this embodiment, the prefabricated standard block A1 and the prefabricated standard block C3 are prefabricated in an integral manner, with a length of 1000 mm, a height of 500 mm, and a width of 300-600 mm.
[0056] The construction method is the same as that of Example 1 and will not be described in detail here.
[0057] By adopting the above technical solution, the entire prefabricated concrete ecological retaining wall is disassembled into three standard blocks: prefabricated standard block A1, prefabricated standard block B2, and prefabricated standard block C3. Each prefabricated standard block is produced in the factory and assembled at the construction site in a manner similar to building blocks, which greatly improves the construction efficiency of the retaining wall and reduces labor intensity.
[0058] The embodiments of the utility model are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments of the utility model and the features in the embodiments can be combined with each other. The utility model is not limited to the above-mentioned specific implementation methods, which are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can also make many forms without departing from the scope of protection of the utility model and the claims, which all belong to the protection scope of the utility model.
Claims
1. A prefabricated concrete ecological retaining wall, characterized in that: It comprises a prefabricated standard block A and a prefabricated standard block B, wherein the prefabricated standard block A is provided with two through connection holes I and an upwardly open greening groove, and a drainage hole is provided at the bottom of the greening groove, and the prefabricated standard block B is provided with two through connection holes II, one side of the prefabricated standard block A is an outer convex arc surface, and one side of the prefabricated standard block B is an inner concave arc surface; When the prefabricated standard block A is combined with the prefabricated standard block B, the prefabricated standard block A and the prefabricated standard block B are arranged adjacent to each other in an alternating manner horizontally as a base and connected to the reserved steel bars of the foundation. The prefabricated standard block A and the prefabricated standard block B are arranged adjacent to each other in an alternating manner vertically, and the connection hole I and the connection hole II are aligned and placed. After the combination and assembly are completed, green plants can be planted in the greening groove of the prefabricated standard block A.
2. The prefabricated concrete ecological retaining wall according to claim 1 is characterized in that: The curvatures of the concave and convex parts of the prefabricated standard block A and the prefabricated standard block B are consistent.
3. The prefabricated concrete ecological retaining wall according to claim 1 or 2, characterized in that: The greening groove of the prefabricated standard block A is a cone.
4. The prefabricated concrete ecological retaining wall according to claim 1 or 2, characterized in that: The prefabricated standard block A and the prefabricated standard block B are fine stone concrete structures.
5. The prefabricated concrete ecological retaining wall according to claim 1 or 2, characterized in that: The prefabricated standard block A and the prefabricated standard block B are prefabricated in an integral manner.
6. A prefabricated concrete ecological retaining wall, characterized in that: It includes a prefabricated standard block A and a prefabricated standard block C. The prefabricated standard block A is provided with two through connection holes I and an upwardly open greening groove, the bottom of the greening groove is provided with a drainage hole, and the prefabricated standard block C is provided with two through connection holes III. One side of the prefabricated standard block A is an outer convex arc surface, and one side of the prefabricated standard block C is an inner concave arc surface arranged symmetrically; When the prefabricated standard block A is combined with the prefabricated standard block C, the prefabricated standard block A is arranged adjacent to each other horizontally as a base and connected to the reserved steel bars of the foundation, and the prefabricated standard block A is arranged adjacent to the prefabricated standard block C vertically, and the upper left connection hole III is aligned with the lower right connection hole I. After the combination and assembly is completed, green plants can be planted in the greening groove of the prefabricated standard block A; Alternatively, the prefabricated standard blocks C are arranged adjacent to each other horizontally as a base and connected to the reserved steel bars of the foundation, and the prefabricated standard blocks C and A are arranged adjacent to each other vertically and staggered, and the upper left connection hole I and the lower right connection hole III are aligned and placed, and after the combination and assembly are completed, green plants can be planted in the greening groove of the prefabricated standard block A.
7. The prefabricated concrete ecological retaining wall according to claim 6 is characterized in that: The curvatures of the concave and convex parts of the prefabricated standard block A and the prefabricated standard block C are consistent.
8. The prefabricated concrete ecological retaining wall according to claim 6 or 7, characterized in that: The greening groove of the prefabricated standard block A is a cone.
9. The prefabricated concrete ecological retaining wall according to claim 6 or 7, characterized in that: The prefabricated standard block A and the prefabricated standard block C are fine stone concrete structures.
10. The prefabricated concrete ecological retaining wall according to claim 6 or 7, characterized in that: The prefabricated standard block A and the prefabricated standard block C are prefabricated in an integral manner.