Fabricated three-dimensional reinforced earth retaining wall and construction method

Abstract

The invention relates to the technical field of reinforced soil retaining walls, in particular to an assembly type three-dimensional reinforced soil retaining wall and a construction method.The assembly type three-dimensional reinforced soil retaining wall comprises a retaining wall structure, a bottom block, a drainage channel and a soil layer, the retaining wall structure is arranged at the front end of the soil layer in a limited mode, the drainage channel is arranged at the lower end of the retaining wall structure, and the bottom block is arranged at the front end of the drainage channel in a limited mode; the soil layer is used for bearing the retaining wall structure, the retaining wall structure is arranged in an inclined mode, drainage treatment is conducted through a bottom block and a drainage channel, the retaining wall structure comprises a lifting component, a cushion layer, a combined component and a limiting supporting component, and the combined component and the limiting supporting component are arranged in a limiting mode. The two lifting parts are fixedly connected to the two sides of the upper portion of the front end of the limiting supporting part, the two lifting parts are used for reinforcing connection of the combined part and the limiting supporting part, and meanwhile a cushion layer is laid between the combined part and the limiting supporting part. Through the arrangement of the retaining wall structure, protection is enhanced, and meanwhile the supporting capacity is improved.

Description

Technical Field

[0001] The invention relates to the technical field of reinforced earth retaining walls, in particular to an assembled three-dimensional reinforced earth retaining wall and a construction method. Background Art

[0002] A reinforced earth retaining wall refers to a retaining wall made of reinforced earth composed of fill, tie strips and facing blocks to withstand the lateral pressure of the soil. A reinforced earth retaining wall is made by adding tie bars to the soil and using the friction between the tie bars and the soil to improve the deformation conditions of the soil and enhance the engineering properties of the soil, thereby achieving the purpose of stabilizing the soil. It is generally used on fill sections with relatively flat and spacious terrain. The setting of a reinforced earth retaining wall can prevent the soil from deforming and becoming unstable and withstand lateral earth pressure.

[0003] Chinese patent publication number CN116950123A provides an assembled three-dimensional reinforced earth retaining wall and its construction method, which belongs to the field of building construction technology. It solves the problems of poor strength and easy deformation of existing retaining walls, as well as the long construction period and high cost of the construction method of the retaining wall. The construction method of the assembled three-dimensional reinforced earth retaining wall includes semi-finished product processing; mountain slope leveling and foundation treatment; construction of the retaining wall foundation; assembly of various components and laying of the casting frame; casting; wall greening. The assembled three-dimensional reinforced earth retaining wall includes a retaining wall foundation and a number of top covers, and a number of connecting three-dimensional reinforced block assemblies, a number of casting blocks, a bottom three-dimensional reinforced block assembly, a top three-dimensional reinforced block assembly and a retaining wall panel assembly are arranged between the retaining wall foundation and the top cover.

[0004] At present, reinforced earth retaining walls and the retaining wall structures disclosed in the above-mentioned cases mostly adopt embedded design to support the retaining walls. Due to the limited bearing capacity of the soil, it is easy to fall off in the later stage. Therefore, the existing reinforced earth retaining walls need to be improved. Summary of the invention

[0005] In view of the problems in the prior art, the present invention provides an assembled three-dimensional reinforced earth retaining wall and a construction method.

[0006] The technical solution adopted by the present invention to solve the technical problem is: an assembled three-dimensional reinforced earth retaining wall and a construction method, comprising a retaining wall structure, a bottom block, a drainage channel and a soil layer, wherein the front end of the soil layer is limitedly provided with a retaining wall structure, the lower end of the retaining wall structure is provided with a drainage channel, and the front end of the drainage channel is limitedly provided with a bottom block;

[0007] The soil layer is used to bear the load of the retaining wall structure, and the retaining wall structure is inclined and drained through the bottom block and the drainage channel;

[0008] The retaining wall structure comprises a lifting component, a cushion layer, a combined component and a limiting support component, the combined component and the limiting support component are limitedly arranged, two lifting components are fixedly connected to both sides of the upper front end of the limiting support component, the two lifting components strengthen the connection between the combined component and the limiting support component, and at the same time, a cushion layer is laid between the combined component and the limiting support component for connecting the front positions of the combined component and the limiting support component, through the setting of the retaining wall structure, it can be connected to the soil layer to protect the soil layer, forming a retaining wall structure, and a bottom block and a drainage channel are provided at the lower end of the retaining wall structure, the bottom block and the drainage channel can help to carry out drainage work, a cushion layer is provided between the combined component and the limiting support component in the retaining wall structure, which plays a connecting and combining role, helps the combined component and the limiting support component to be better combined, and at the same time, the limiting support component is also limitedly connected to the combined component, which mentions the lifting function and improves the overall stability of the retaining wall structure.

[0009] The combined component is inserted into the soil layer to limit the position, and the cushion layer, combined component and limiting support component are laid and installed in layers to improve the overall connection stability performance.

[0010] Specifically, the lifting component includes a steel bar block, a cement block, a reinforcing anchor rod, a first docking frame and a steel bar connecting frame, the upper side end of the steel bar block is fixedly connected to the cement block, the cement block is provided with a reinforcing anchor rod, the lower end of the cement block is provided with a first docking frame, the reinforcing anchor rod and the first docking frame are top-limited by the cement block, the first docking frame is fixedly connected to the steel bar connecting frame, the steel bar connecting frame is fixed to the steel bar block, and the lower end of the first docking frame is fixedly connected to the second docking frame, the first docking frame, the steel bar connecting frame and the second docking frame are fixed as a whole to perform external protection of the combined component, and the lifting component is connected to the combined component through the setting of the lifting component, wherein the steel bar block and the concrete surface The layers are connected, the bearing capacity of the anchor rod can be strengthened through the cement block on the steel bar block, and the lower end of the anchor rod is connected to the first docking frame, the steel bar connecting frame, and the second docking frame, so as to protect the concrete surface layer. At the same time, the first embedded steel bar and the second embedded steel bar in the combined component are inserted into the soil layer, and the first fastening frame, the second fastening frame, and the auxiliary steel bars cooperate to support the combined component, so as to facilitate the subsequent laying of concrete blocks and concrete surface layers. The pull rod and the embedded rod in the limited support component are adapted to the first embedded steel bar, so as to pull and fix the limited support component. The setting of the stone and the base concrete can be conveniently combined with the cushion layer, and better combined with the limited support component.

[0011] Specifically, the composite component includes a first fastening frame, a concrete block, a second fastening frame, auxiliary steel bars, a fastening pin, a concrete surface layer and a first embedded steel bar, the first embedded steel bar is fixedly connected to the second embedded steel bar, the upper end of the second embedded steel bar is fixedly connected to the fastening pin, the fastening pin is limited by the concrete block and the concrete surface layer, so as to tie and fix the steel bars in the concrete block and the concrete surface layer, the concrete block is limited by the first fastening frame and the second fastening frame, and the side end position of the concrete block is limited and fixed by the auxiliary steel bars, the first embedded steel bar and the second embedded steel bar are embedded in the soil layer for anchor support.

[0012] Specifically, the limiting support component includes stones, base concrete, tie rods, embedded rods and auxiliary positioning blocks. Stones are laid on the base concrete. Auxiliary positioning blocks are fixedly connected to the side ends of the base concrete. Limiting steel bars are fixedly connected to the auxiliary positioning blocks. The limiting steel bars can be combined with the composite components to perform limiting processing on the composite components. A tie rod is tied at the rear end of the steel bars in the base concrete, and an embedded rod is provided at the rear end of the tie rod.

[0013] Specifically, the pull rod is limitedly connected to the first embedded steel bar through an embedded rod, thereby improving the supporting effect. The cushion layer is laid on stones and base concrete, and a concrete surface layer is laid on the cushion layer. The embedded rod adopts a hook structure and can be tightly connected to the first embedded steel bar.

[0014] Specifically, the first fastening frame, the second fastening frame, and the auxiliary steel bars are all embedded in the soil layer, and the concrete surface layer is arranged in an inclined trapezoidal structure, which can fit the soil layer and improve the bearing capacity.

[0015] Specifically, the first docking frame, the steel bar connecting frame and the second docking frame are exposed on the surface of the concrete surface layer, the inner layer is connected to the concrete surface layer, and is solidified through the concrete surface layer, while being able to provide auxiliary support to the concrete surface layer.

[0016] Specifically, the combined component and the limiting support component constitute a double support system. The combined component is supported by the first embedded steel bar and the second embedded steel bar, and is also supported by its own weight and the connection with the cushion layer. The limiting support component is connected to the first embedded steel bar through a tie rod and an embedded rod, and the tie rod and the embedded rod themselves are embedded in the soil layer to provide support and bearing. The soil layer includes a geogrid and a modular panel, and the side ends of the geogrid are limited by the modular panel.

[0017] Specifically, a concrete side block is provided at the side end of the soil layer, and the concrete side block is fixed to the retaining wall structure. The concrete side block is provided with an internal steel bar, and the internal steel bar penetrates through the soil layer to improve the tensioning capacity.

[0018] The construction method of the assembled three-dimensional reinforced earth retaining wall comprises the following steps:

[0019] S1. First, the limited support components are constructed. First, the surface of the soil layer is leveled, and then the tie rods and embedded rods are embedded. At this time, the tie rods and embedded rods are connected to the steel bars in the base concrete, and the steel bars are tied and fixed. Then, the base concrete can be laid, and stones are buried on the base concrete to facilitate the subsequent combination with the cushion layer. At the same time, auxiliary positioning blocks are also set. The auxiliary positioning blocks are set with limited steel bars to facilitate the subsequent laying and positioning of the combined components;

[0020] S2, then lay the cushion layer, lay the cushion layer on the stone and base concrete, wait until the surface is initially solidified, and then perform surface roughening treatment, and then lay the composite components. Before installing the composite components, first position and install the first embedded steel bar and the second embedded steel bar, the first embedded steel bar is connected to the bottom of the embedded rod, and is connected to the embedded rod. At this time, the embedded rod can be connected to the first embedded steel bar to perform the lifting function, and at the same time, the concrete blocks and the steel bars in the concrete surface layer are tied and fixed. At the same time, the first fastening frame, the second fastening frame, and the auxiliary steel bars are also positioned and installed with the soil layer, and the fastening pin is connected to the second embedded steel bar, and the top positioning is also performed;

[0021] S3, at the same time, the steel bar block on the lifting component is also reinforced, and the reinforcement anchor rod is positioned on the steel bar block through the cement block, and the lower end of the reinforcement anchor rod is fixed through the first docking frame, the steel bar connecting frame, and the second docking frame to achieve connection and combination with the steel bars in the steel bar block;

[0022] S4, then lay the concrete blocks and concrete surface layer and wait for them to be formed, and the production process of the overall retaining wall can be completed.

[0023] Beneficial effects of the present invention:

[0024] First, the present invention can be connected to the soil layer through the setting of the retaining wall structure, so as to protect the soil layer and form a retaining wall structure. The lower end of the retaining wall structure is provided with a bottom block and a drainage channel, which can help to drain water. A cushion layer is provided between the combined components and the limit support components in the retaining wall structure, which plays a connecting and combining role, helps the combined components and the limit support components to be better combined. At the same time, the limit support components are also connected to the combined components in a limited manner, so as to improve the lifting function and the overall stability of the retaining wall structure. The soil layer includes geogrids and modular panels. The side ends of the geogrids are limited by the modular panels. The geogrids play a role in enhancing the connection ability. The geogrid is a planar mesh material with an open hole grid and high strength formed by directional stretching of polymer materials. It is made of polypropylene, high-density polyethylene or other high-molecular polymers as raw materials, a certain amount of anti-ultraviolet additives are added, and it is produced by new processes such as hot melting and extrusion stretching. The unidirectional stretch plastic grid mainly uses high-density polyethylene or polypropylene as raw materials. It has high tensile strength and low elongation, is suitable for various soils, and is currently a widely used and more ideal reinforcement material.

[0025] Second, the present invention arranges a lifting component, and the lifting component is connected to the composite component, wherein the steel bar block is connected to the concrete surface layer, and the cement block can be used to strengthen the bearing of the anchor rod, and the lower end of the anchor rod is connected to the first docking frame, the steel bar connecting frame, and the second docking frame, so as to protect the concrete surface layer. At the same time, the first embedded steel bar and the second embedded steel bar in the composite component are inserted into the soil layer, and the first fastening frame, the second fastening frame, and the auxiliary steel bar cooperate to support the composite component, so as to facilitate the subsequent laying of the concrete block and the concrete surface layer. The pull rod and the embedded rod in the limited support component are adapted to the first embedded steel bar, so as to pull and fix the limited support component. The arrangement of stones and base concrete can be conveniently combined with the cushion layer, and better combined with the limited support component. A geogrid is arranged in the soil layer, which can improve the connection capacity and enhance the structural stability of the coating, and the geogrid is evenly distributed from top to bottom. At the same time, a crushed stone drainage layer is laid outside the soil layer, so as to perform internal drainage treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0027] Figure 1 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from the front perspective;

[0028] Figure 2 It is a schematic diagram of the three-dimensional structure of the main body of the present invention from a side perspective;

[0029] Figure 3 It is a schematic diagram of the three-dimensional structure of the retaining wall structure of the present invention from a front perspective;

[0030] Figure 4 It is a schematic diagram of the three-dimensional structure of the retaining wall structure of the present invention from a side perspective;

[0031] Figure 5 It is a schematic diagram of the three-dimensional structure of the retaining wall structure of the present invention from a rear perspective;

[0032] Figure 6 It is a schematic diagram of the three-dimensional structure of the lifting component in the present invention from a front perspective;

[0033] Figure 7 It is a schematic diagram of the three-dimensional structure of the combined components of the present invention from a front perspective;

[0034] Figure 8 It is a schematic diagram of the three-dimensional structure of the position-limiting support component in the present invention from a front perspective;

[0035] Fig. 9 is an internal plan view of the soil layer in the present invention;

[0036] Fig.10 It is a schematic diagram of the three-dimensional structure of the geogrid in the present invention from a front perspective;

[0037] Fig.11 It is a schematic diagram of the front perspective stereoscopic structure of the second embodiment of the main body of the present invention.

[0038] In the figure: 1-retaining wall structure, 2-bottom block, 3-drainage channel, 4-soil layer, 5-lifting component, 6-cushion, 7-combined component, 8-limited support component, 9-steel block, 10-cement block, 11-reinforcement anchor rod, 12-first docking frame, 13-steel connecting frame, 14-second docking frame, 15-first fastening frame, 16-concrete block, 17-second fastening frame, 18-auxiliary steel bar, 19-fastening pin, 20-concrete surface layer, 21-first embedded steel bar, 22-second embedded steel bar, 23-stone, 24-base concrete, 25-pull rod, 26-embedded rod, 27-auxiliary positioning block, 28-limited steel bar, 29-concrete side block, 30-built-in steel bar, 31-geogrid, 32-modular panel. DETAILED DESCRIPTION

[0039] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0040] The present invention is further described below in conjunction with the accompanying drawings.

[0041] Example 1

[0042] like Figure 1-Figure 10 As shown, the assembled three-dimensional reinforced earth retaining wall and construction method of the present invention include a retaining wall structure 1, a bottom block 2, a drainage channel 3 and a soil layer 4, the retaining wall structure 1 is provided at the front end limit of the soil layer 4, the drainage channel 3 is provided at the lower end of the retaining wall structure 1, and the bottom block 2 is provided at the front end limit of the drainage channel 3;

[0043] The soil layer 4 carries the load of the retaining wall structure 1, and the retaining wall structure 1 is inclined, and drainage is carried out through the bottom block 2 and the drainage channel 3;

[0044] like Figure 3-5 As shown, the retaining wall structure 1 includes a lifting component 5, a cushion layer 6, a combined component 7 and a position-limiting support component 8. The combined component 7 and the position-limiting support component 8 are set to limit positions. Two lifting components 5 are fixedly connected to both sides of the upper front end of the position-limiting support component 8. The two lifting components 5 are used to strengthen the connection between the combined component 7 and the position-limiting support component 8. At the same time, a cushion layer 6 is laid between the combined component 7 and the position-limiting support component 8 for connecting the front positions of the combined component 7 and the position-limiting support component 8.

[0045] The combined component 7 is inserted into the interior of the soil layer 4 to limit the position. The cushion layer 6, the combined component 7, and the limiting support component 8 are laid and installed in layers to improve the overall connection stability. A geogrid 31 is provided in the soil layer 4 to perform supporting work and improve the structural stability of the soil layer 4. The geogrid 31 is evenly distributed from top to bottom. At the same time, a gravel drainage layer is laid outside the soil layer 4 to perform internal drainage treatment.

[0046] like Figure 6 As shown, the lifting component 5 includes a steel bar block 9, a cement block 10, a reinforcing anchor rod 11, a first docking frame 12 and a steel bar connecting frame 13. The upper side end of the steel bar block 9 is fixedly connected with a cement block 10, and the cement block 10 is provided with a reinforcing anchor rod 11. The lower end of the cement block 10 is provided with a first docking frame 12. The reinforcing anchor rod 11 and the first docking frame 12 are top-limited by the cement block 10. The first docking frame 12 is fixedly connected with a steel bar connecting frame 13. The steel bar connecting frame 13 is fixed to the steel bar block 9, and the lower end of the first docking frame 12 is fixedly connected with a second docking frame 14. The first docking frame 12, the steel bar connecting frame 13, and the second docking frame 14 are fixed as a whole to perform external protection of the combined component 7. The steel bar block 9 on the pulling component 5 is also reinforced. At the same time, the reinforcing anchor rod 11 is positioned on the steel bar block 9 through the cement block 10. The lower end of the reinforcing anchor rod 11 is fixed by the first docking frame 12, the steel bar connecting frame 13, and the second docking frame 14 to achieve connection and combination with the steel bars in the steel bar block 9.

[0047] like Figure 7As shown, the combined component 7 includes a first fastening frame 15, a concrete block 16, a second fastening frame 17, an auxiliary steel bar 18, a fastening pin 19, a concrete surface layer 20 and a first embedded steel bar 21. The first embedded steel bar 21 is fixedly connected with a second embedded steel bar 22. The upper end of the second embedded steel bar 22 is fixedly connected to the fastening pin 19. The fastening pin 19 is used to limit the concrete block 16 and the concrete surface layer 20, so as to bind and fix the steel bars in the concrete block 16 and the concrete surface layer 20. The concrete block 16 is connected by the first fastening frame 15 and the second fastening frame 17, and the side end position of the concrete block 16 is fixed by the auxiliary steel bar 18. The first embedded steel bar 21 and the second embedded steel bar 22 are embedded into the soil layer 4 for anchor support. Before the installation of the composite component 7, the first embedded steel bar 21 and the second embedded steel bar 22 are positioned and installed. The first embedded steel bar 21 is connected to the bottom of the embedded rod 26 and is connected to the embedded rod 26. At this time, the embedded rod 26 can be connected to the first embedded steel bar 21 to perform a lifting function, and at the same time, the steel bars in the concrete block 16 and the concrete surface layer 20 are tied and fixed. At the same time, the first fastening frame 15, the second fastening frame 17, and the auxiliary steel bar 18 are also positioned and installed with the soil layer 4, and the fastening pin 19 is connected to the second embedded steel bar 22 for top positioning.

[0048] like Figure 8 As shown, the limiting support component 8 includes stones 23, base concrete 24, tie rods 25, embedded rods 26 and auxiliary positioning blocks 27. Stones 23 are laid on the base concrete 24, and the side ends of the base concrete 24 are fixedly connected with auxiliary positioning blocks 27. The limiting steel bars 28 are fixedly connected to the auxiliary positioning blocks 27. The limiting steel bars 28 can be combined with the composite component 7 to limit the composite component 7. The rear end of the steel bars in the base concrete 24 is tied with tie rods 25, and the rear end of the tie rods 25 is provided with embedded rods 26. The surface of the soil layer 4 is leveled, and then the tie rods 25 and the embedded rods 26 are embedded. At this time, the tie rods 25 and the embedded rods 26 are connected to the steel bars in the base concrete 24 to tie and fix the steel bars. Then, the base concrete 24 can be laid, and stones 23 are buried on the base concrete 24 to facilitate the subsequent combination with the cushion layer 6. At the same time, auxiliary positioning blocks 27 are also set. The setting of limiting steel bars 28 on the auxiliary positioning blocks facilitates the subsequent laying and positioning of the composite component 7.

[0049] The pull rod 25 is limitedly connected to the first embedded steel bar 21 through the embedded rod 26, thereby improving the supporting effect. The cushion layer 6 is laid on the stones 23 and the base concrete 24, and the concrete surface layer 20 is laid on the cushion layer 6. The embedded rod 26 adopts a hook structure and can be tightly connected to the first embedded steel bar 21.

[0050] The first fastening frame 15, the second fastening frame 17, and the auxiliary steel bars 18 are all embedded in the soil layer 4, and the concrete surface layer 20 is arranged in an inclined trapezoidal structure, which can fit the soil layer 4 and improve the bearing capacity.

[0051] The first docking frame 12 , the steel bar connecting frame 13 , and the second docking frame 14 are exposed from the surface of the concrete surface layer 20 , and the inner layer is connected to the concrete surface layer 20 , and is solidified by the concrete surface layer 20 , while being able to provide auxiliary support to the concrete surface layer 20 .

[0052] The combined component 7 and the limited support component 8 constitute a double support system. The combined component 7 is supported by the first embedded steel bar 21 and the second embedded steel bar 22, and is supported by its own weight and the connection with the cushion layer 6. The limited support component 8 is connected to the first embedded steel bar 21 through the tie rod 25 and the embedded rod 26. At the same time, the tie rod 25 and the embedded rod 26 are embedded and connected with the soil layer 4 to support the load. The soil layer 4 includes a geogrid 31 and a modular panel 32. The side end of the geogrid 31 is limited by the modular panel 32. The geogrid 31 plays a role in enhancing the connection capacity. The geogrid 31 is A flat mesh material with an open grid and high strength formed by directional stretching of polymer materials. It is made of polypropylene, high-density polyethylene or other high-molecular polymers as raw materials, with a certain amount of anti-UV additives added, and produced through new processes such as hot melt and extrusion stretching. The unidirectional stretch plastic grating mainly uses high-density polyethylene or polypropylene as raw materials. It has high tensile strength and low elongation and is adaptable to various soils. It is currently a widely used ideal reinforcement material. The overall plate is punched and then directional stretched. It is characterized by high node strength and good overall performance. The transverse ribs and longitudinal ribs are an integrated structure.

[0053] Working principle: When in use, the user first constructs the limiting support component 8, firstly flattens the surface of the soil layer 4, and then embeds the tie rod 25 and the embedding rod 26. At this time, the tie rod 25 and the embedding rod 26 are connected to the steel bars in the base concrete 24, and the steel bars are tied and fixed. Then, the base concrete 24 can be laid, and stones 23 are buried on the base concrete 24 to facilitate the subsequent combination with the cushion layer 6. At the same time, the auxiliary positioning block 27 is also set. The setting of the limiting steel bar 28 on the auxiliary positioning block 27 facilitates the subsequent laying and positioning of the combined component 7;

[0054] Then, the cushion layer 6 is laid on the stones 23 and the base concrete 24, and the surface is roughened after the surface is initially set.

[0055] Then, the composite component 7 is laid. Before the composite component 7 is installed, the first embedded steel bar 21 and the second embedded steel bar 22 are positioned and installed. The first embedded steel bar 21 is connected to the bottom of the embedded rod 26 and connected to the embedded rod 26. At this time, the embedded rod 26 can be connected to the first embedded steel bar 21 to perform a lifting function. At the same time, the steel bars in the concrete block 16 and the concrete surface layer 20 are tied and fixed. At the same time, the first fastening frame 15, the second fastening frame 17, and the auxiliary steel bar 18 are also positioned and installed with the soil layer 4. The fastening pin 19 is connected to the second embedded steel bar 22 and the top is also positioned.

[0056] At the same time, the steel bar block 9 on the lifting component 5 is also reinforced, and the reinforcement anchor rod 11 is positioned on the steel bar block 9 through the cement block 10. The lower end of the reinforcement anchor rod 11 is fixed by the first docking frame 12, the steel bar connecting frame 13, and the second docking frame 14 to achieve the connection combination with the steel bars in the steel bar block 9;

[0057] After that, the concrete blocks 16 and the concrete surface layer 20 are laid and wait for forming, and the production process of the overall retaining wall is completed. A geogrid 31 is provided in the soil layer 4 to perform support work and improve the structural stability of the soil layer 4. The geogrid 31 is evenly distributed from top to bottom. At the same time, a crushed stone drainage layer is laid outside the soil layer 4 to perform internal drainage treatment and complete the work.

[0058] Example 2

[0059] On the basis of Example 1, Fig.11 As shown, a concrete side block 29 is provided at the side end of the soil layer 4, and the concrete side block 29 is fixed to the retaining wall structure 1. An internal steel bar 30 is provided on the concrete side block 29, and the internal steel bar 30 passes through the soil layer 4 to improve the binding capacity;

[0060] When in use, the concrete side block 29 is connected to the side end of the soil layer 4, and the built-in steel bars 30 are arranged on the concrete side block 29. The built-in steel bars 30 can be inserted into the interior of the soil layer 4 to perform overall support work on the soil layer 4, thereby improving the stability of the soil layer 4 and better improving the bearing capacity of the soil layer 4.

[0061] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Assembled three-dimensional reinforced earth retaining wall, characterized by: It comprises a retaining wall structure (1), a bottom block (2), a drainage channel (3) and a soil layer (4), wherein the retaining wall structure (1) is provided at the front end limit of the soil layer (4), the drainage channel (3) is provided at the lower end of the retaining wall structure (1), and the bottom block (2) is provided at the front end limit of the drainage channel (3); The soil layer (4) carries the load of the retaining wall structure (1), and the retaining wall structure (1) is arranged in an inclined manner, and drainage is carried out through the bottom block (2) and the drainage channel (3); The retaining wall structure (1) comprises a lifting component (5), a cushion layer (6), a combined component (7) and a position-limiting support component (8); the combined component (7) and the position-limiting support component (8) are arranged to be limited in position; two lifting components (5) are fixedly connected to both sides of the upper front end of the position-limiting support component (8); the two lifting components (5) are used to strengthen the connection between the combined component (7) and the position-limiting support component (8); and a cushion layer (6) is laid between the combined component (7) and the position-limiting support component (8) to connect the front positions of the combined component (7) and the position-limiting support component (8); The combined component (7) is inserted into the soil layer (4) to limit the position, and the cushion layer (6), the combined component (7), and the limiting support component (8) are laid and installed in layers to improve the overall connection stability.

2. The assembled three-dimensional reinforced earth retaining wall according to claim 1 is characterized in that: The lifting component (5) comprises a steel bar block (9), a cement block (10), a reinforcing anchor rod (11), a first docking frame (12) and a steel bar connecting frame (13); the cement block (10) is fixedly connected to the upper side end of the steel bar block (9); the reinforcing anchor rod (11) is provided on the cement block (10); the first docking frame (12) is provided at the lower end of the cement block (10); the reinforcing anchor rod (11) and the first docking frame (12) are top-limited by the cement block (10); the steel bar connecting frame (13) is fixedly connected to the first docking frame (12); the steel bar connecting frame (13) is fixed to the steel bar block (9); and the lower end of the first docking frame (12) is fixedly connected to the second docking frame (14); the first docking frame (12), the steel bar connecting frame (13) and the second docking frame (14) are fixed as a whole to provide external protection for the combined component (7).

3. The assembled three-dimensional reinforced earth retaining wall according to claim 2 is characterized in that: The combined component (7) comprises a first fastening frame (15), a concrete block (16), a second fastening frame (17), an auxiliary steel bar (18), a fastening pin (19), a concrete surface layer (20) and a first embedded steel bar (21); a second embedded steel bar (22) is fixedly connected to the first embedded steel bar (21); the upper end of the second embedded steel bar (22) is fixedly connected to the fastening pin (19); the fastening pin (19) performs position limiting processing on the concrete block (16) and the concrete surface layer (20), thereby binding and fixing the steel bars in the concrete block (16) and the concrete surface layer (20); the concrete block (16) is position limited by the first fastening frame (15) and the second fastening frame (17); the side end position of the concrete block (16) is position limited and fixed by the auxiliary steel bar (18); the first embedded steel bar (21) and the second embedded steel bar (22) are embedded in the soil layer (4) to provide anchor support.

4. The assembled three-dimensional reinforced earth retaining wall according to claim 3 is characterized in that: The position-limiting support component (8) comprises a stone (23), a base concrete (24), a tie rod (25), an embedded rod (26) and an auxiliary positioning block (27); the stone (23) is laid on the base concrete (24); the side end of the base concrete (24) is fixedly connected to an auxiliary positioning block (27); the auxiliary positioning block (27) is fixedly connected to a position-limiting steel bar (28); the position-limiting steel bar (28) can be combined with the combined component (7) to perform position-limiting processing on the combined component (7); the rear end of the steel bar in the base concrete (24) is tied with a tie rod (25); the rear end of the tie rod (25) is provided with an embedded rod (26).

5. The assembled three-dimensional reinforced earth retaining wall according to claim 4 is characterized in that: The pull rod (25) is limitedly connected to the first embedded steel bar (21) through the embedded rod (26), thereby improving the supporting effect; the cushion layer (6) is laid on the stone (23) and the base concrete (24); the concrete surface layer (20) is laid on the cushion layer (6); the embedded rod (26) adopts a hook structure and can be tightly connected to the first embedded steel bar (21).

6. The assembled three-dimensional reinforced earth retaining wall according to claim 5 is characterized in that: The first fastening frame (15), the second fastening frame (17), and the auxiliary steel bars (18) are all embedded in the soil layer (4), and the concrete surface layer (20) is arranged in an inclined trapezoidal structure, which can fit the soil layer (4) and improve the bearing capacity.

7. The assembled three-dimensional reinforced earth retaining wall according to claim 6 is characterized in that: The first docking frame (12), the steel bar connecting frame (13), and the second docking frame (14) are exposed on the surface of the concrete surface layer (20), the inner layer is connected to the concrete surface layer (20), and is cured by the concrete surface layer (20), while being able to play an auxiliary supporting function for the concrete surface layer (20).

8. The assembled three-dimensional reinforced earth retaining wall according to claim 7 is characterized in that: The combined component (7) and the position-limiting support component (8) form a double support system. The combined component (7) is supported by the first embedded steel bar (21) and the second embedded steel bar (22), and is also supported by its own weight and the connection with the cushion layer (6). The position-limiting support component (8) is connected to the first embedded steel bar (21) through a tension rod (25) and an embedded rod (26). At the same time, the tension rod (25) and the embedded rod (26) are embedded and connected to the soil layer (4) to provide support and bearing. The soil layer (4) includes a geogrid (31) and a modular panel (32). The side end of the geogrid (31) is limited by the modular panel (32).

9. The assembled three-dimensional reinforced earth retaining wall according to claim 8 is characterized in that: A concrete side block (29) is provided at the side end of the soil layer (4), and the concrete side block (29) is fixed to the retaining wall structure (1). An internal steel bar (30) is provided on the concrete side block (29), and the internal steel bar (30) passes through the soil layer (4) to improve the tensioning capacity.

10. A construction method for an assembled three-dimensional reinforced earth retaining wall, using the assembled three-dimensional reinforced earth retaining wall as claimed in claim 8, characterized in that: The following steps are involved: S1. First, the construction of the limiting support component (8) is carried out. First, the surface of the soil layer (4) is leveled, and then the pull rod (25) and the embedded rod (26) are embedded. At this time, the pull rod (25) and the embedded rod (26) are connected to the steel bars in the base concrete (24), and the steel bars are tied and fixed. Then, the base concrete (24) can be laid, and stones (23) are buried on the base concrete (24) to facilitate the subsequent combination with the cushion layer (6). At the same time, the auxiliary positioning block (27) is also set. The auxiliary positioning block (27) is provided with a limiting steel bar (28) to facilitate the subsequent laying and positioning of the combined component (7); S2, then laying the cushion layer (6), laying the cushion layer (6) on the stone (23) and the base concrete (24), waiting for the surface to be initially solidified and formed, and then roughening the surface, and then laying the composite component (7). Before installing the composite component (7), firstly, the first embedded steel bar (21) and the second embedded steel bar (22) are positioned and installed. The first embedded steel bar (21) is connected to the bottom of the embedded rod (26) and is connected to the embedded rod (26). At this time, the embedded rod (26) can be connected to the first embedded steel bar (21) to perform a lifting function, and at the same time, the steel bars in the concrete block (16) and the concrete surface layer (20) are tied and fixed. At the same time, the first fastening frame (15), the second fastening frame (17), and the auxiliary steel bar (18) are also positioned and installed with the soil layer (4), and the fastening pin (19) is connected to the second embedded steel bar (22) to also perform top positioning; S3, at the same time, the steel bar block (9) on the lifting component (5) is also reinforced, and at the same time, the reinforcing anchor rod (11) is positioned on the steel bar block (9) through the cement block (10), and the lower end of the reinforcing anchor rod (11) is fixed through the first docking frame (12), the steel bar connecting frame (13), and the second docking frame (14), so as to achieve connection and combination with the steel bars in the steel bar block (9); S4, then the concrete blocks (16) and the concrete surface layer (20) are laid and wait for forming, and the production process of the overall retaining wall is completed.

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