An assembled ecological retaining wall and construction method

Abstract

The present invention relates to the technical field of retaining wall construction, and in particular to an assembled ecological retaining wall and construction method, comprising a supporting base and a retaining unit, wherein the retaining unit is arranged on the supporting base, and the retaining unit comprises a plurality of prefabricated retaining blocks that are mutually opposed in the horizontal direction, and are staggered and spliced in a stepped manner in the vertical direction to form a retaining wall, and a supporting portion for supporting the prefabricated retaining block is connected to the rear end of the prefabricated retaining block. The retaining unit used in the present invention cooperates with the irrigation unit to realize the function of overall reinforcement of a plurality of prefabricated retaining blocks, effectively improves the supporting capacity and bearing capacity of the retaining wall, and avoids the phenomenon that a part of the retaining wall is sunken or collapsed as a whole due to the collapse of the local foundation, and the plurality of prefabricated retaining blocks can effectively support a relatively long porous irrigation pipe at multiple points, avoid the bending of the porous irrigation pipe, and ensure the stability of the use of the porous irrigation pipe.

Description

Technical Field

[0001] The present invention relates to the technical field of retaining wall construction, and particularly relates to an assembled ecological retaining wall and a construction method thereof. Background Art

[0002] An ecological retaining wall is a form of retaining wall that combines engineering structures and ecological environmental protection. It aims to prevent soil erosion while promoting vegetation growth and improving environmental quality. It is usually used in slope stabilization projects such as highway and railway slopes, river revetments, etc.

[0003] To ensure the stability of these slopes, traditional retaining walls usually use a combination of stones and mortar to build the retaining wall. However, due to limited stone production, difficult to find labor, many post-construction diseases, and difficulty in ecological greening, etc., it has become increasingly unsuitable for the needs of modern transportation construction. Existing ecological retaining walls are usually assembled, and multiple retaining wall modules are spliced to form a retaining wall, which is simple and efficient in construction. However, during the splicing process of existing ecological retaining walls, only the retaining wall modules of the same layer have a mutual clamping relationship, and there is usually no connection relationship between the retaining wall modules of the upper and lower layers, and the multi-layer retaining wall modules cannot be integrally reinforced. If the foundation in some areas collapses, the retaining wall in this area is prone to instability and collapse. The supporting strength and bearing capacity of the retaining wall are low. And the plants planted in existing retaining walls are usually irrigated by municipal sprinkler trucks, and a large amount of water will be lost after irrigation, resulting in waste of water resources. Therefore, there is an urgent need to provide an assembled ecological retaining wall that can improve the overall supporting strength of the ecological retaining wall and facilitate plant irrigation. Summary of the Invention

[0004] Based on this, it is necessary to provide an assembled ecological retaining wall and a construction method thereof, aiming to solve the technical problems generated during the assembly construction of existing ecological retaining walls.

[0005] To achieve the above object, the present invention adopts the following technical solutions: An assembled ecological retaining wall, comprising: a support base.

[0006] It further includes a soil retaining unit, the soil retaining unit is arranged on the support base, the soil retaining unit includes a plurality of precast soil retaining blocks, and the plurality of precast soil retaining blocks are in contact with each other in the horizontal direction and are spliced in a stepped manner in the vertical direction to form a retaining wall. A supporting part for supporting the precast soil retaining block is connected to the rear end of the precast soil retaining block.

[0007] A planting cavity for planting plants is opened on the precast soil retaining block, and pipe connection channels are opened on both the left and right side walls of the precast soil retaining block.

[0008] It further includes an irrigation unit, which is simultaneously connected to a plurality of precast retaining blocks. The irrigation unit includes a porous irrigation pipe that is respectively connected to the pipe connection channels on the plurality of precast retaining blocks of each layer and is used for irrigating the plants in the planting cavity. At the same time, the plurality of porous irrigation pipes are used to support the plurality of precast retaining blocks, and both ends of the plurality of porous irrigation pipes are simultaneously connected with connectors for limiting the plurality of porous irrigation pipes.

[0009] Preferably, two symmetrically distributed limiting protrusions are integrally formed at the lower end of the front side wall and the upper end of the rear side wall of the precast retaining block. The space between the two limiting protrusions on the same side is a clamping groove, and the clamping groove is in plug-in fit with the two side walls of the two precast retaining blocks that are in contact with each other.

[0010] Preferably, a bottom sealing member for covering the bottom of the planting cavity is integrally formed at the lower end of the precast retaining block. The lower end of the bottom sealing member is provided with an inclined surface, and a reinforcing rib is provided at the connection between the bottom sealing member and the rear side wall of the precast retaining block.

[0011] Preferably, a stepped joint is formed between the bottom sealing member on the same precast retaining block and the limiting protrusion on the lower side. The stepped joint is connected and cooperated with the two clamping grooves and the two abutting limiting protrusions at the upper ends of the two adjacent precast retaining blocks on the lower side.

[0012] Preferably, the supporting portion includes a supporting plate integrally formed at the rear end of the precast retaining block. A receiving groove is formed on the supporting plate, and a pressing member is placed in the receiving groove. The upper end of the pressing member is provided with a slope surface that cooperates with the inclined surface at the lower end of the bottom sealing member.

[0013] Preferably, a foundation reinforcement member is provided at the rear side of each layer of the plurality of precast retaining blocks. The foundation reinforcement member is simultaneously placed in the plurality of receiving grooves of the corresponding layer, and the pressing member that cooperates with the plurality of receiving grooves is used to limit the foundation reinforcement member.

[0014] Preferably, the irrigation unit further includes a connecting pipe respectively connected to the ends of the plurality of porous irrigation pipes. The lower ends of the plurality of connecting pipes are commonly installed and connected to a water supply pipe.

[0015] Preferably, a positioning protrusion is integrally formed at the upper end of the support base, and the positioning protrusion is simultaneously connected to the plurality of stepped joints at the lowermost side.

[0016] In addition, the present invention also provides an assembly construction method for an assembled ecological retaining wall, which specifically includes the following steps: S1: Precast precast retaining blocks and supporting portions in a precast yard, and perform post-curing to ensure strength.

[0017] S2: According to the construction requirements of a conventional retaining wall, complete the excavation of the foundation trench, foundation treatment, cushion layer paving, and pouring of the support base.

[0018] S3: Sequentially plug and place a plurality of precast retaining blocks on the support base along the support base. The plurality of precast retaining blocks are in close contact with each other. Subsequently, lay a crushed stone cushion layer on the base, flush with the support plate at the rear end of the lower precast retaining block. Then, lay the foundation reinforcement member on the crushed stone cushion layer and place it in the accommodation groove. Next, place the pressing member in the accommodation groove to limit the foundation reinforcement member, and place the backfill inverted reinforcement member to limit the upper end and perform mechanical compaction.

[0019] S4: Carry out the splicing construction of the precast retaining blocks of other upper layers according to the steps of splicing the first-layer precast retaining blocks of the retaining wall. The precast retaining blocks of adjacent upper and lower layers are placed staggeredly.

[0020] S5: After step S4 is completed, connect the plurality of precast retaining blocks to the irrigation unit respectively.

[0021] S6: Fill the prepared planting soil into the planting cavity and plant green landscape plants.

[0022] In summary, the present invention has the following beneficial effects: 1. The retaining unit and the irrigation unit adopted by the present invention cooperate to realize the function of overall reinforcement of a plurality of precast retaining blocks, effectively improving the support capacity and bearing capacity of the retaining wall, avoiding the phenomenon that part of the retaining wall sinks or the whole collapses due to local foundation subsidence, and a plurality of precast retaining blocks can effectively support the long multi-hole irrigation pipe at multiple points, avoiding the phenomenon of bending of the multi-hole irrigation pipe and ensuring the stability of the use of the multi-hole irrigation pipe.

[0023] 2. The retaining unit adopted by the present invention can be mutually tightened and limited through its own structure, effectively improving the connection strength between adjacent precast retaining blocks, further improving the stability and impact resistance of the retaining wall, and the precast retaining blocks are all prefabricated parts, which are simple and convenient to assemble and effectively shorten the construction period.

[0024] 3. The irrigation unit adopted by the present invention can not only support and strengthen the bearing and impact resistance of a plurality of precast retaining blocks, but also irrigate the plants in the precast retaining blocks, effectively improving the efficiency of plant irrigation, ensuring the accuracy of plant irrigation water, and avoiding the waste of water resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below with reference to the drawings and embodiments.

[0026] Figure 1 Shows a three-dimensional structural schematic diagram of the first perspective of the present invention.

[0027] Figure 2 Shows a three-dimensional structural schematic diagram of the second perspective of the present invention.

[0028] Figure 3Shows the front view of the present invention.

[0029] Figure 4 Shows the left view of the present invention.

[0030] Figure 5 Shows Figure 3 The cross-sectional view of A-A in

[0031] Figure 6 Shows the structural schematic diagram of the precast retaining block and the supporting part of the present invention.

[0032] Among them, the above-mentioned drawings include the following reference numerals: 1, support base; 11, positioning bump; 2, retaining unit; 21, precast retaining block; 211, planting cavity; 212, pipe connection channel; 213, limiting bump; 214, clamping groove; 215, bottom sealing piece; 216, stepped splicing interface; 22, supporting part; 221, supporting plate; 222, accommodating groove; 223, pressing piece; 23, foundation reinforcement piece; 3, irrigation unit; 31, porous irrigation pipe; 32, connecting piece; 33, water supply pipe; 34, connecting pipe. Detailed implementation manners

[0033] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the following will describe the detailed implementation manners of the present invention in conjunction with the drawings. Many specific details are set forth in the following description in order to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0034] Refer to Figure 1 , Figure 2 , Figure 5 and Figure 6 , an assembled ecological retaining wall, including a support base 1, and further including a retaining unit 2, the retaining unit 2 is arranged on the support base 1, the retaining unit 2 includes a plurality of precast retaining blocks 21, and the plurality of precast retaining blocks 21 are in contact with each other in the horizontal direction and are spliced in a stepped manner in the vertical direction to form a retaining wall (as shown in Figure 3 and Figure 4 ), a planting cavity 211 for planting plants is opened on the precast retaining block 21, two symmetrically distributed limiting bumps 213 are integrally formed at the lower end of the front side wall and the upper end of the rear side wall of the precast retaining block 21, a bottom sealing piece 215 for covering the bottom of the planting cavity 211 is integrally formed at the lower end of the precast retaining block 21, the lower end of the bottom sealing piece 215 is provided with an inclined surface, and a reinforcing rib is arranged at the connection between the bottom sealing piece 215 and the rear side wall of the precast retaining block 21.

[0035] Refer to Figure 2 ,Figure 5 and Figure 6 A stepped joint 216 is formed between the bottom sealing member 215 and the lower limiting convex block 213 on the same precast retaining block 21. A positioning convex block 11 is integrally formed at the upper end of the support base 1, and the positioning convex block 11 is connected to a plurality of stepped joints 216 at the lowermost side at the same time.

[0036] During specific operation, the precast retaining blocks 21 are precast in a precast yard, and then the precast precast retaining blocks 21 are transported to the assembly site by transportation equipment. Subsequently, according to the requirements of conventional retaining wall construction, the ground is excavated for a foundation trench, the foundation is treated, and a cushion layer is laid. Then, the support base 1 is cast with concrete. After casting, the positioning convex block 11 is integrally formed at the upper end of the support base 1 and a position for subsequent pipe fitting installation is reserved. Then, a plurality of precast retaining blocks 21 are selected, and the plurality of precast retaining blocks 21 are placed closely on the support base 1 in sequence. The positioning convex block 11 on the support base 1 is connected to the stepped joint 216 on the precast retaining block 21. The connection can be carried out by means of plug-in fit or cement connection to realize the function of supporting and limiting the plurality of precast retaining blocks 21.

[0037] Refer to Figure 1 、 Figure 5 and Figure 6 A supporting part 22 for supporting the precast retaining block 21 is connected to the rear end of the precast retaining block 21. The supporting part 22 includes a supporting plate 221 integrally formed at the rear end of the precast retaining block 21. A receiving groove 222 is formed in the supporting plate 221, and a pressing member 223 is placed in the receiving groove 222. A slope surface matching the lower slope surface of the bottom sealing member 215 is arranged at the upper end of the pressing member 223.

[0038] Refer to Figure 5 and Figure 6 Foundation reinforcement members 23 are arranged at the rear sides of the plurality of precast retaining blocks 21 in each layer. The foundation reinforcement members 23 are placed in the plurality of receiving grooves 222 corresponding to each layer at the same time, and the pressing members 223 cooperating with the plurality of receiving grooves 222 are used for limiting the foundation reinforcement members 23.

[0039] During specific operation, after connecting multiple precast retaining blocks 21 in the lowermost row to the support base 1, a crushed stone soil cushion layer is laid on the foundation, flush with the supporting plates 221 at the rear ends of the lower precast retaining blocks 21. Subsequently, a foundation strengthening step is carried out. One end of the foundation reinforcement member 23 is placed in the plurality of accommodating grooves 222 of the plurality of supporting plates 221. The foundation reinforcement member 23 is a geogrid, and the foundation reinforcement member 23 is laid on the crushed stone soil cushion layer. Then, the corresponding plurality of pressing members 223 are placed in the corresponding accommodating grooves 222 to press and limit the foundation reinforcement member 23. The pressing member 223 can be an inverted T-shaped structure or a plate-shaped structure. Then, the foundation reinforcement member 23 is tensioned from the free end of the foundation reinforcement member 23 and fixed with U-shaped nails, so that the foundation reinforcement member 23 is closely attached to the lower crushed stone soil cushion layer. After that, the excavator unloads the crushed stones and soil onto the foundation reinforcement member 23, and manual or mechanical equipment is used for spreading. The foundation reinforcement member 23 improves the connection strength between the multiple precast retaining blocks 21 and the foundation, and water is sprinkled according to the optimal moisture content of the filler.

[0040] Refer to Figure 1 、 Figure 5 and Figure 6 , The space between the two limiting protrusions 213 on the same side is the clamping groove 214, and the clamping groove 214 is in plug-in fit with the two side walls of the two precast retaining blocks 21 that are in contact with each other.

[0041] Refer to Figure 1 、 Figure 5 and Figure 6 , The stepped splicing interface 216 is connected and matched with the two clamping grooves 214 and the two limiting protrusions 213 that abut against the upper ends of the two adjacent lower precast retaining blocks 21.

[0042] During actual operation, in accordance with the installation steps of the first-layer precast retaining blocks 21, multiple precast retaining blocks 21 are successively connected to the multiple first-layer precast retaining blocks 21. During the splicing process of the upper-layer precast retaining blocks 21, the stepped splicing interfaces 216 located in the upper layer are connected to the two clamping grooves 214 at the upper ends of two adjacent precast retaining blocks 21 in the lower layer and the two closely attached limiting protrusions 213. The connection can be carried out by means of plug-in fit or cement connection, so that the upper-layer precast retaining blocks 21 are located between two adjacent precast retaining blocks 21 in the lower layer. At the same time, under the combined action of the cooperation between the two closely attached limiting protrusions 213 at the upper ends of two adjacent precast retaining blocks 21 in the lower layer and the stepped splicing interfaces 216, and the plug-in connection between the clamping grooves 214 at the lower ends of the upper-layer precast retaining blocks 21 and the two side walls of two adjacent precast retaining blocks 21 in the lower layer that are in contact therewith, the connection strength between two adjacent precast retaining blocks 21 is effectively improved. The two limiting protrusions 213 at the lower end of the upper-layer precast retaining block 21 cooperate with the bottom sealing member 215 to limit the limiting protrusions 213 at the upper end of the lower-layer precast retaining block 21. The three cooperate with each other to effectively transfer and evenly distribute the load borne, effectively increasing the support strength of the precast retaining blocks 21 after splicing of the upper and lower layers. The slope on the pressing member 223 located in the lower layer supports the inclined surface of the bottom sealing member 215 at the lower end of the upper-layer precast retaining block 21, further strengthening the stress strength of the spliced precast retaining blocks 21. After multiple precast retaining blocks 21 are spliced onto the first-layer precast retaining blocks 21, the foundation strengthening step is carried out. The precast retaining blocks 21 are precast components, and only need to be spliced on the construction site, and the splicing operation is simple, effectively shortening the construction period.

[0043] Carry out the splicing construction of the upper-layer other-layer precast retaining blocks 21 according to the splicing steps of the first-layer precast retaining blocks 21 and the second-layer precast retaining blocks 21 of the retaining wall, and at the same time carry out the foundation strengthening step to form an ecological retaining wall.

[0044] Refer to Figure 6 , pipe connection channels 212 are provided on both the left and right side walls of the precast retaining block 21.

[0045] Refer to Figure 1 , Figure 2 and Figure 6 , the prefabricated ecological retaining wall further includes an irrigation unit 3. The irrigation unit 3 is simultaneously connected to multiple precast retaining blocks 21. The irrigation unit 3 includes a porous irrigation pipe 31 that is respectively connected to the pipe connection channels 212 on multiple precast retaining blocks 21 of each layer and is used for irrigating the plants in the planting cavity 211. At the same time, multiple porous irrigation pipes 31 are used to support multiple precast retaining blocks 21. Both ends of multiple porous irrigation pipes 31 are simultaneously connected with a connecting member 32 for limiting multiple porous irrigation pipes 31.

[0046] Refer toFigure 1 and Figure 2 The irrigation unit 3 further includes a connecting pipe 34 respectively connected to the ends of a plurality of porous irrigation pipes 31, and the lower ends of the plurality of connecting pipes 34 are jointly installed and connected to a water supply pipe 33.

[0047] During specific operation, after the ecological retaining wall is formed, a plurality of porous irrigation pipes 31 are sequentially selected and respectively inserted into a plurality of pipe connection channels 212 of each layer. Each layer of porous irrigation pipes 31 integrally connects a plurality of precast retaining blocks 21 of the corresponding layer at the same time. Subsequently, two connectors 32 are fixedly connected to the two ends of the plurality of porous irrigation pipes 31 by welding or fixing equipment to realize the integral connection of the plurality of porous irrigation pipes 31, further enhancing the overall support strength and bearing capacity of the ecological retaining wall, effectively avoiding the phenomenon that part of the wall of the ecological retaining wall is sunken or the whole collapses due to slight subsidence of the local foundation, and the plurality of pipe connection channels 212 provide multi-point support for the porous irrigation pipes 31, effectively avoiding the phenomenon that the porous irrigation pipes 31 are bent and improving the stability of the use of the porous irrigation pipes 31. After the installation of the plurality of porous irrigation pipes 31 is completed, the plurality of connecting pipes 34 are sequentially connected to the ends of the plurality of porous irrigation pipes 31 through existing pipe fittings connectors. The structures of the plurality of connecting pipes 34 are the same only with different sizes. Subsequently, the water supply pipe 33 is arranged at the reserved installation position of the foundation and the support base 1 inside the ecological retaining wall, and then the plurality of connecting pipes 34 are welded or connected to the water supply pipe 33 through pipe fittings connectors. Subsequently, the plurality of connecting pipes 34 and the water supply pipe 33 are filled with soil and compacted. The water supply pipe 33 is equipped with a valve by itself and the lower end is connected and communicated with an existing water pipe.

[0048] After the pipeline laying is completed, the prepared cultivated soil is filled into the planting cavity 211, green landscape plants are planted, and supplementary planting, watering, fertilizing, and pest control are carried out according to the growth conditions of the plants until the vegetation grows stably, and the ecological retaining wall splicing is completed.

[0049] In addition, the present invention also provides an assembly construction method for an assembled ecological retaining wall, which specifically includes the following steps: S1: Precast precast retaining blocks 21 and a supporting part 22 in a precast yard and perform post-curing to ensure strength.

[0050] S2: According to the construction requirements of a conventional retaining wall, complete the excavation of the foundation trench, foundation treatment, cushion layer laying, and pouring of the support base 1.

[0051] S3: Sequentially plug and place multiple precast retaining blocks 21 on the support base 1 along the support base 1. The multiple precast retaining blocks 21 are in close contact with each other. Subsequently, a crushed stone and soil cushion layer is laid on the base, flush with the supporting plate 221 at the rear end of the lower precast retaining block 21. Then, the foundation reinforcement member 23 is laid on the crushed stone and soil cushion layer and placed in the accommodation groove 222. Next, the pressing member 223 is placed in the accommodation groove 222 to limit the foundation reinforcement member 23, and the backfill is inverted to limit the upper end of the reinforcement member and mechanically compacted.

[0052] S4: Perform the splicing construction of the precast retaining blocks 21 of other upper layers according to the steps of splicing the first-layer precast retaining blocks 21 of the retaining wall. The precast retaining blocks 21 of the upper and lower adjacent layers are staggered.

[0053] S5: After step S4 is completed, connect the multiple precast retaining blocks 21 to the pouring unit 3 respectively.

[0054] S6: Fill the prepared planting soil into the planting cavity 211 and plant green landscape plants.

[0055] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the embodiments of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise specified, the meaning of "multiple" is two or more.

[0056] In the description of the present invention, it should also be noted that unless otherwise clearly defined and limited, the terms "set", "install", and "connect" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] The embodiments of the present specific implementation manners are all preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. An assembled ecological retaining wall, characterized in that, Comprising: A support base; A soil retaining unit arranged on the support base, the soil retaining unit comprising a plurality of precast soil retaining blocks, the plurality of precast soil retaining blocks abutting against each other in the horizontal direction and being spliced in a stepped manner in the vertical direction to form a retaining wall, and a supporting portion for supporting the precast soil retaining blocks being connected to the rear end of the precast soil retaining blocks; A planting cavity for planting plants is formed in the precast soil retaining block, and pipe connection channels are formed on the left and right side walls of the precast soil retaining block; A watering unit connected to a plurality of precast soil retaining blocks simultaneously, the watering unit comprising porous irrigation pipes respectively connected to the pipe connection channels on the plurality of precast soil retaining blocks of each layer and used for irrigating the plants in the planting cavities, and at the same time the plurality of porous irrigation pipes being used for supporting the plurality of precast soil retaining blocks, and connecting pieces for limiting the plurality of porous irrigation pipes being connected to both ends of the plurality of porous irrigation pipes simultaneously; Two symmetrically distributed limiting protrusions are integrally formed at the lower end of the front side wall and the upper end of the rear side wall of the precast soil retaining block, and the space between the two limiting protrusions on the same side is a clamping groove, and the clamping groove is in plug-in fit with the two side walls of the two precast soil retaining blocks that are in contact with each other; A bottom sealing member for covering the bottom of the planting cavity is integrally formed at the lower end of the precast soil retaining block, a slope is arranged at the lower end of the bottom sealing member, and a reinforcing rib is arranged at the connection between the bottom sealing member and the rear side wall of the precast soil retaining block; A stepped splicing port is formed between the bottom sealing member on the same precast soil retaining block and the limiting protrusion located on the lower side, and the stepped splicing port is connected and matched with the two clamping grooves and the two abutting limiting protrusions at the upper ends of the two adjacent precast soil retaining blocks on the lower side; 2. The prefabricated ecological retaining wall according to claim 1, wherein: The supporting portion comprises a supporting plate integrally formed at the rear end of the precast soil retaining block, a receiving groove is formed in the supporting plate, a pressing member is placed in the receiving groove, and a slope matching the slope at the lower end of the bottom sealing member is arranged at the upper end of the pressing member; 3. An assembled ecological retaining wall according to claim 2, characterized in that: Foundation reinforcement members are arranged at the rear sides of the plurality of precast soil retaining blocks of each layer, the foundation reinforcement members are simultaneously placed in the plurality of receiving grooves corresponding to each layer, and the pressing members matched with the plurality of receiving grooves are used for limiting the foundation reinforcement members; 4. The prefabricated ecological retaining wall according to claim 1, characterized in that: The watering unit further comprises connecting pipes respectively connected to the ends of the plurality of porous irrigation pipes, and a water supply pipe is installed and communicated with the lower ends of the plurality of connecting pipes jointly; 5. The prefabricated ecological retaining wall according to claim 1, characterized in that: A positioning protrusion is integrally formed at the upper end of the support base, and the positioning protrusion is simultaneously connected to the plurality of stepped splicing ports located at the lowermost side; 6. An assembly construction method for an assembled ecological retaining wall, characterized in that, Completed in cooperation with the ecological retaining wall as claimed in claim 3, Comprising the following steps: S1: Precast the precast soil retaining blocks and the supporting portion in a prefabrication yard, and perform post-curing to ensure strength; S2: Complete the excavation of the foundation trench, the treatment of the foundation, the laying of the cushion layer and the casting of the support base according to the construction requirements of a conventional retaining wall; S3: Sequentially plug and place a plurality of precast soil retaining blocks on the support base along the support base, the plurality of precast soil retaining blocks being closely attached to each other, then lay a crushed stone soil cushion layer on the base, flush with the supporting plate at the rear end of the lower precast soil retaining block, then lay the foundation reinforcement members on the crushed stone soil cushion layer and place them in the receiving grooves, then place the pressing members in the receiving grooves to limit the foundation reinforcement members, and pour the backfill material to the upper end of the foundation reinforcement members and perform mechanical compaction; S4: Carry out the splicing construction of precast retaining blocks for other upper layers according to the steps of splicing the first-layer precast retaining blocks of the retaining wall, and stagger the precast retaining blocks of the upper and lower adjacent layers; S5: After step S4 is completed, connect multiple precast retaining blocks to the pouring unit respectively; S6: Fill the prepared planting soil into the planting cavity and plant green landscape plants.

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