Inclined concrete gravity retaining wall template device

Abstract

The inclined concrete gravity retaining wall formwork device comprises a rack and a pouring formwork, the rack comprises two first longitudinal beams arranged in parallel, at least three stand columns are fixedly arranged on the tops of the first longitudinal beams at intervals, the tops of the stand columns on the same side are fixedly connected with the bottoms of second longitudinal beams, and the stand columns are perpendicular to the first longitudinal beams and the second longitudinal beams; the top of the second longitudinal beam on one side is detachably connected with one ends of a plurality of parallel rack cross beams, the other ends of the rack cross beams are detachably connected with the tops of the second longitudinal beams on the other side, and a pouring formwork is arranged below the rack cross beams and comprises a first formwork body and a second formwork body. And the first template and the second template are encircled to form a retaining wall shape. The method has the advantages that assembling and disassembling processes are simplified, cost is reduced, and efficiency is improved; (2) formwork deformation is prevented, and the retaining wall construction quality is guaranteed; (3) the flexible adaptability of the device is enhanced, and the application scene is widened; (4) the primary and secondary beam groups transmit force directionally, and the strength of the formwork is enhanced; and (5) the overall stability of the formwork is further enhanced through the side formwork.

Description

Technical Field

[0001] This invention belongs to the technical field of concrete construction equipment, and particularly relates to a tilting concrete gravity retaining wall formwork device. Background Technology

[0002] Inclined gravity retaining walls, with their forward-sloping upper structure, can significantly improve structural stability by optimizing the stress distribution on the back of the wall, thereby reducing active earth pressure. They are widely used in slope protection and riverbank protection in water conservancy, transportation, and municipal engineering projects. The quality of their construction directly determines the long-term safety performance of the project. It requires not only precise matching of the wall's geometric dimensions (especially the inclination angle and cross-sectional dimensions) to the design values, but also ensuring a smooth concrete surface without leakage or misalignment, avoiding uneven stress and reduced durability due to construction defects.

[0003] However, the inclined structure of the inclined gravity retaining wall makes its construction far more difficult than that of a vertical retaining wall. Traditional construction equipment and existing technologies have long faced bottlenecks that are difficult to overcome, specifically manifested in the following ways: I. The inherent defects of traditional modular formwork severely restrict construction quality and efficiency. Currently, the industry generally adopts a construction method that involves manual assembly of steel or wooden formwork with temporary support reinforcement, which has four major problems: (1) Poor angle control accuracy and difficulty in guaranteeing appearance quality: When assembling manually, the tilt angle of the template needs to be repeatedly calibrated by a level and a total station. However, the rigidity of the temporary support (such as timber and steel pipe) is insufficient. During the pouring process, the concrete is prone to deformation due to the lateral pressure, resulting in a deviation of the tilt angle of the wall exceeding ±0.5° and defects such as unevenness of the wall surface. The template joints rely on sponge strips for sealing. Improper control of the assembly gap can easily lead to grout leakage, forming honeycomb pits, and increasing the cost of later repairs.

[0004] (2) The stress system is unstable and the risk of formwork collapse is high: the inclined formwork is subjected to asymmetrical lateral pressure (the lateral pressure coefficient of the inclined surface is lower than that of the vertical surface). Traditional temporary supports can only bear vertical loads and cannot effectively transmit lateral and oblique forces. Especially in the concrete vibration stage, the vibrator increases the degree of concrete liquefaction and fluidity, and the lateral pressure increases sharply, which can easily lead to the overall slippage of the formwork or local formwork collapse, which not only wastes materials but also poses a safety hazard.

[0005] (3) High labor intensity and low construction efficiency: A single 10m long retaining wall requires 5-8 people to assemble the formwork, which takes 2-3 days; after demolding, the support needs to be dismantled and the formwork needs to be moved to the next section, resulting in a lot of repetitive work. The construction cycle of a single section is as long as 5-7 days, which is difficult to meet the progress requirements of water conservancy projects to be completed before the flood season.

[0006] (4) High material loss and poor cost controllability: wooden formwork can only be reused 3-5 times, and steel formwork is prone to deformation and bolt hole wear due to repeated disassembly and assembly. The annual replacement cost accounts for 40% of the total investment in formwork; the cutting and loss rate of temporary support materials exceeds 20%, which further increases the construction cost.

[0007] Second, existing vertical formwork systems cannot adapt to inclined working conditions, and their technical approach has inherent limitations. Vertical formwork systems are based on symmetrical vertical force design, and their load transfer, stability control, and construction technology are not suitable for inclined retaining walls. There are two essential differences between the two: (1) The force models are completely different: the vertical template is subjected to uniform vertical lateral pressure, and the force line is directly transmitted to the ground support along the normal direction of the template; the inclined template is subjected to asymmetrical inclined lateral pressure, and the force line is distributed obliquely. It is necessary to consider the slippage caused by the horizontal component force and the overturning caused by the vertical component force. The support structure of the vertical template cannot provide the corresponding anti-lateral displacement and anti-overturning capabilities.

[0008] (2) No overlap in core technical issues: Vertical formwork only needs to solve basic issues such as formwork flatness and tie bolt stress; inclined formwork needs to face four unique technical challenges: ① How to overcome the risk of formwork overturning caused by concrete liquefaction during vibration; ② How to design a force transmission path that is suitable for inclined forces (vertical formwork does not need to consider the direction of force line); ③ How to ensure the overall rigidity of the formwork system under asymmetrical stress (avoiding local deformation); ④ How to perform millimeter-level calibration and fine adjustment of the tilt angle of ton-sized formwork (vertical formwork only needs to control verticality).

[0009] III. The industry urgently needs targeted solutions to overcome the technical bottlenecks in inclined construction. To address these issues, some companies have attempted to make partial improvements to traditional formwork (such as increasing support density or using thicker steel formwork), but these have not changed the core model of manual assembly and temporary support, and still cannot solve the fundamental problems of poor angle control and high risk of formwork bursting. A few companies have customized special inclined formwork, but the structure is complex, difficult to disassemble and assemble, and only suitable for specific inclination angles, with poor versatility and difficulty in promotion and application.

[0010] Against this backdrop, the industry urgently needs a formwork device specifically designed for inclined gravity retaining walls. This device must overcome the efficiency and quality bottlenecks of traditional assembly processes, as well as the technical limitations of vertical formwork systems. Through innovative structural design, it should solve core issues such as precise angle control, asymmetric force transmission, overall stability, and efficient turnover, ultimately achieving the construction goals of controllable quality, on-time performance, and cost optimization. Summary of the Invention

[0011] To address the problems of high labor intensity, low efficiency, and difficulty in controlling appearance quality in the existing technologies, this invention provides a tilting concrete gravity retaining wall formwork device. The technical solution includes a platform and a casting template. The platform includes two parallel first longitudinal beams. At least three columns are fixedly installed at intervals on the top of the first longitudinal beams. The top of the columns on the same side is fixedly connected to the bottom of the second longitudinal beams. The columns are perpendicular to the first and second longitudinal beams. The top of one side of the second longitudinal beam is detachably connected to one end of several parallel platform crossbeams. The other end of the platform crossbeams is detachably connected to the top of the second longitudinal beams on the other side. A casting template is provided below the platform crossbeams. The casting template includes a first template and a second template, which together form a retaining wall shape.

[0012] In a preferred embodiment, several lifting lugs are fixedly provided on the non-cast surfaces of the first and second templates, and several lifting rings are fitted on the crossbeam of the platform. The number and position of the lifting rings correspond to the lifting lugs. The lifting rings are detachably connected to the hoist, and the hook of the hoist is detachably connected to the lifting lugs.

[0013] In a preferred embodiment, the non-cast surfaces of the first and second templates are further provided with several secondary beams, and several main beam groups are fixed on the other side of the secondary beams. Each main beam group includes two main beams arranged opposite each other, with the main beams being parallel to the ground and perpendicular to the secondary beams.

[0014] In a more preferred embodiment, the side wall of the main beam is further provided with several limiting devices, including a limiting nut, a limiting rod, a first pin, and a second pin. The limiting rod has an L-shaped structure. The first pin is fixed to the side wall of the main beam. One end of the limiting rod is placed in the pin hole of the first pin. The column is provided with a second pin. The other end of the limiting rod is inserted into the pin hole of the second pin. The limiting rod is fixed to the second pin by the limiting nut.

[0015] In a preferred embodiment, a tie rod is provided through the first template and the second template. The two ends of the tie rod pass through the two main beams in the main beam assembly on the side of the first template and the side of the second template, respectively. The two ends of the tie rod are fixed to the main beams by washers and nuts.

[0016] In a more preferred embodiment, if there is a gap between the gasket and the main beam, a pad is placed in the gap.

[0017] In a more preferred embodiment, one side of the secondary beam is fixedly connected to one side of the walking platform, and a platform support rod is fixedly provided on the other side of the walking platform. The other end of the platform support rod is fixedly connected to the secondary beam. A ladder for workers to go up and down is also provided on the walking platform, and a guardrail is fixedly provided around the perimeter of the walking platform.

[0018] In a preferred embodiment, a side mold is provided between the first template and the second template, and the side mold is detachably connected to the first template and the second template through template buckles.

[0019] In a preferred embodiment, the column, the first longitudinal beam, and the second longitudinal beam together form a rectangular structure, with diagonal bracing fixed on its diagonal.

[0020] In a preferred embodiment, the bottom of the second longitudinal beam is fixedly connected to several traveling wheels by bolts. A track is provided below the traveling wheels, and the traveling wheels roll on the track. The bottom of the track is fixedly connected to a pad, and the pad is placed on the ground.

[0021] The beneficial effects of this invention are: (1) The crossbeam and the second longitudinal beam of the platform are detachably connected. The column, the first longitudinal beam and the second longitudinal beam form a standardized rectangular frame, which can be assembled without complicated welding. With the reinforcement design of diagonal bracing, the stability of the platform is guaranteed, and the tedious steps of "welding and dismantling piece by piece" of the traditional device are eliminated, which significantly shortens the device construction time. The lifting lugs on the non-cast surface of the formwork, together with the lifting rings and hoists on the crossbeams of the platform, can quickly complete the positioning and disassembly of the formwork through mechanical hoisting, replacing the traditional manual lifting and assembly method, reducing labor input, and is especially suitable for the installation needs of large-size retaining wall formwork, greatly shortening the formwork preparation time for a single section of retaining wall. (2) After the tie rod passes through the two templates, it passes through the two main beams of the two main beam groups on both sides and is fixed. Combined with the gap supplement design of the shims and pads, the template can be accurately clamped to avoid the template displacement caused by lateral pressure during concrete pouring. At the same time, the L-shaped limit rod connects the main beam and the column through the pin to further limit the lateral displacement of the template. The double fixation ensures that the retaining wall has a flat appearance and accurate dimensions after pouring, solving the quality problems caused by the easy deformation of traditional templates. (3) The traveling wheels at the bottom of the second longitudinal beam cooperate with the track to drive the whole set of equipment to move smoothly along the construction axis of the retaining wall. After completing the pouring of a section of retaining wall, it can be quickly transferred to the next section of construction without dismantling the platform. It is especially suitable for the continuous construction of long-distance retaining walls, avoiding the repetitive work of dismantling, transporting and installing traditional equipment. (4) The secondary beams and main beams of the casting formwork form a grid-like stress skeleton. When the concrete is poured at an angle, the oblique lateral pressure generated is first transmitted to the secondary beams through the formwork, and then distributed to the main beams by the secondary beams, thus avoiding the problem of local deformation caused by the concentration of stress at a single point on the vertical formwork. (5) The first template, the second template and the side template are connected by template clips. The side template plays a sealing and supporting role during casting, and strengthens the strength between the first template and the second template, further preventing template deformation or bursting. The side template is also provided with several stiffening ribs to further strengthen the side template. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 This is a front view of the present invention (excluding the side mold).

[0024] Figure 3 for Figure 2 Cross-sectional view from the perspective of AA.

[0025] Figure 4 This is a top view of the present invention (excluding the side mold).

[0026] Figure 5 This is a rear view of the present invention (excluding the side mold).

[0027] Figure 6 This is the left view of the present invention.

[0028] Figure 7 for Figure 1 A magnified view of the details at point A in the image.

[0029] Figure 8 for Figure 1 A magnified view of the details at point B in the image.

[0030] Figure 9 This is a schematic diagram of the structure of the platform in this invention.

[0031] Figure 10 This is a schematic diagram of the casting template in this invention.

[0032] In the diagram: 1. Column; 2. Platform crossbeam; 3. First longitudinal beam; 4. Diagonal brace; 5. Second longitudinal beam; 6. Lifting ring; 7. Limiting nut; 8. Limiting rod; 9. Hoist; 10. Main beam; 11. Secondary beam; 12. First pin; 13. Lifting lug; 14. Pad; 15. Shim; 16. Tie rod; 17. Casting formwork; 1701. First formwork; 1702. Second formwork; 18. Track; 19. Pad plate; 20. Traveling wheel; 21. Traveling platform; 22. Ladder; 23. Guardrail; 24. Platform support rod; 25. Second pin; 26. Side formwork; 27. Formwork clip. Detailed Implementation

[0033] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0034] Example like Figure 1-10The inclined concrete gravity retaining wall formwork device shown includes a platform and a casting template 17. The platform includes two parallel first longitudinal beams 3. Three columns 1 are welded at intervals on the top of the first longitudinal beams 3. The top of the columns 1 on the same side is welded to the bottom of the second longitudinal beam 5. The columns 1 are perpendicular to the first longitudinal beams 3 and the second longitudinal beams 5. The top of the second longitudinal beam 5 on one side is connected to one end of several parallel platform crossbeams 2 by bolt threads. The other end of the platform crossbeams 2 is connected to the top of the second longitudinal beam 5 on the other side by bolt threads. The casting template 17 is provided below the platform crossbeams 2. The casting template 17 includes a first template 1701 and a second template 1702. The first template 1701 and the second template 1702 together form a retaining wall shape.

[0035] Furthermore, several lifting lugs 13 are welded to the non-cast surfaces of the first template 1701 and the second template 1702, and several lifting rings 6 are fitted on the crossbeam 2 of the platform. The number and position of the lifting rings 6 correspond to the lifting lugs 13. The lifting rings 6 are detachably connected to the hoist 9, and the hook of the hoist 9 is detachably connected to the lifting lugs 13. When lifting is required, the hook of the hoist 9 is hooked on the lifting lug 13, and then the worker can lift the hoist by pulling the hand end of the hoist 9. When lifting is not required, the hook can be removed from the lifting lug 13.

[0036] Furthermore, several secondary beams 11 are welded to the non-cast surfaces of the first template 1701 and the second template 1702. Several main beam groups are welded to the other side of the secondary beams 11. Each main beam group includes two opposing main beams 10. The main beams 10 are parallel to the ground and perpendicular to the secondary beams 11. By welding the secondary beams 11 and the main beams 10, the strength of the casting template 17 is increased and the probability of template deformation is reduced.

[0037] Furthermore, the main beam 10 is provided with several limiting devices on its side wall. The limiting devices include a limiting nut 7, a limiting rod 8, a first pin 12, and a second pin 25. The limiting rod 8 has an L-shaped structure. The first pin 12 is welded to the side wall of the main beam 10. One end of the limiting rod 8 is placed in the pin hole of the first pin 12. The column 1 is provided with a second pin 25. The other end of the limiting rod 8 is inserted into the pin hole of the second pin 25. The limiting rod 8 is fixed to the second pin 25 by the limiting nut 7. The diameter of the pin hole of the second pin 25 needs to be larger than the diameter of the limiting rod 8 and allow the limiting rod 8 to rotate around the pin hole. The rotation angle is preferably such that the bend of the limiting rod 8 can be pulled out from the pin hole of the first pin 12.

[0038] Furthermore, a tie rod 16 is provided through the first template 1701 and the second template 1702. The two ends of the tie rod 16 pass through the two main beams 10 in the main beam assembly on the side of the first template 1701 and the side of the second template 1702, respectively. The two ends of the tie rod 16 are fixed to the main beams 10 by washers 15 and nuts. The tie rod 16 further strengthens the strength of the casting template 17 and reduces the probability of deformation of the casting template 17.

[0039] Furthermore, if there is a gap between the gasket 15 and the main beam 10, a pad 14 is placed in the gap.

[0040] Furthermore, one side of the secondary beam 11 is fixedly connected to one side of the walking platform 21, and a platform support rod 24 is fixedly provided on the other side of the walking platform 21. The other end of the platform support rod 24 is fixedly connected to the secondary beam 11. The walking platform 21 is also provided with a ladder 22 for workers to go up and down. The walking platform 21 facilitates workers to inspect the pouring situation. A guardrail 23 is fixedly provided around the walking platform 21. The guardrail 23 can prevent people from falling from a height, increase safety, and reduce the probability of safety accidents.

[0041] Furthermore, a side mold 26 is provided between the first template 1701 and the second template 1702. The side mold 26 is detachably connected to the first template 1701 and the second template 1702 through template buckles 27. The side mold 26 plays a sealing and supporting role during casting, strengthens the strength between the first template 1701 and the second template 1702, and prevents template deformation or bursting. The side mold 26 is also provided with several stiffening ribs to further strengthen the strength of the side mold 26.

[0042] Furthermore, the column 1, the first longitudinal beam 3, and the second longitudinal beam 5 together form a rectangular structure, and diagonal braces 4 are fixed on its diagonal. The diagonal braces 4 are welded to the angle between the column 1, the first longitudinal beam 3, and the second longitudinal beam 5 through connectors. The diagonal braces 4 are also welded together through connectors. The diagonal braces 4 increase the stability of the platform.

[0043] Furthermore, the bottom of the second longitudinal beam 5 is fixedly connected to several traveling wheels 20 by bolts. A track 18 is provided below the traveling wheels 20, and the traveling wheels 20 roll on the track 18. The bottom of the track 18 is fixedly connected to the pad 19. The pad 19 is placed on the ground. If the friction between the pad 19 and the ground is insufficient to support the platform to travel on the track 18, anchor rods can be optionally inserted in the ground around the pad 19 to fix the pad 19 and prevent the pad 19 from moving.

[0044] The construction method using the above-mentioned device is as follows: (1) First, level and compact the ground foundation, use measuring equipment to locate the track position and template position, then lay the pad 19 along the track position, and after laying the pad 19, weld the track 18 onto the pad 19. (2) Then use a crane to place the assembled frame on track 18; (3) Use a crane to place the first template 1701 and the second template 1702 between the rails 18. The two templates are in a figure-eight shape and lean against each other, keeping the tops of the two templates basically in the same plane. Use temporary hooks to temporarily fix the templates through the reserved holes on both sides of the templates, so that the templates are in a stable vertical state. (4) Slowly push the platform that has been placed towards the template. After reaching the predetermined position, connect the hoist 9 on the platform to the lifting lug 13 on the template. At the same time, roughly install the limit rod 8 and the limit nut 7. At this time, pull the hoist 9 to gradually lift the template up to about 5cm off the ground. Adjust the limit rod to limit the swing of the template after it is lifted. Manually move the device to the designated storage location.

[0045] (5) Lift the casting template 17 by hoisting the hoist, push the platform to move on the track 19 by the traveling wheels 20, adjust the limit rod 8 so that the position of the template matches the edge line of the structural design, and then install limit blocks at the front and rear of the traveling wheels 20 to prevent the platform from moving along the track 19. Use wooden molds to seal the empty spaces on both sides of the casting template 17 to form a concrete casting chamber. While installing the tie rod 16, further correct the position of the template according to the structural dimensions to ensure that the template is on the structural design line. (6) The “skip-pour method” (this construction method is a conventional construction method and will not be described in detail here) is adopted for construction. The concrete is poured in layers by concrete pump truck and manually vibrated. After the concrete is poured, the formwork is removed when the conditions for demolding are met. (7) First, remove the side formwork 26 at both ends (side formwork 26 is not needed for the secondary pouring surface during skip pouring), cut off the excess parts at both ends of the tie rod 16, leaving the remaining tie rod 16 in the concrete, tighten the limiting rod 8 to facilitate demolding, slowly lift the hoists 9 on both sides of the device, and observe the demolding situation at the same time. After the formwork on both sides is slightly separated from the concrete, start lifting the hoist 9 in the middle, and tighten the limiting rod 8 again slightly to prevent the formwork from shifting after being lifted and touching the concrete structure. When the formwork is lifted about 10cm off the ground, remove the limiting block at the traveling wheel 20, manually push the platform to the next pouring surface, and then repeat the above steps 5-7 to complete the construction of the concrete retaining wall.

Claims

1. A formwork device for inclined concrete gravity retaining walls, characterized in that, The system includes a platform and a casting template (17). The platform includes two parallel first longitudinal beams (3). At least three columns (1) are fixedly installed at intervals on the top of the first longitudinal beams (3). The top of the column (1) on the same side is fixedly connected to the bottom of the second longitudinal beam (5). The column (1) is perpendicular to the first longitudinal beam (3) and the second longitudinal beam (5). The top of the second longitudinal beam (5) on one side is detachably connected to one end of several parallel platform crossbeams (2). The other end of the platform crossbeam (2) is detachably connected to the top of the second longitudinal beam (5) on the other side. A casting template (17) is provided below the platform crossbeam (2). The casting template (17) includes a first template (1701) and a second template (1702). The first template (1701) and the second template (1702) together form a retaining wall shape.

2. The inclined concrete gravity retaining wall formwork device according to claim 1, characterized in that, Several lifting lugs (13) are fixedly provided on the non-cast surfaces of the first template (1701) and the second template (1702). Several lifting rings (6) are fitted on the crossbeam (2) of the platform. The number and position of the lifting rings (6) correspond to the lifting lugs (13). The lifting rings (6) are detachably connected to the hoist (9). The hook of the hoist (9) is detachably connected to the lifting lugs (13).

3. The inclined concrete gravity retaining wall formwork device according to claim 1, characterized in that, The non-cast surfaces of the first template (1701) and the second template (1702) are also fixed with several secondary beams (11), and several main beam groups are fixed on the other side of the secondary beams (11). A group of main beams includes two main beams (10) arranged opposite to each other. The main beams (10) are parallel to the ground and perpendicular to the secondary beams (11).

4. The inclined concrete gravity retaining wall formwork device according to claim 3, characterized in that, The main beam (10) is also provided with several limiting devices on its side wall. The limiting devices include a limiting nut (7), a limiting rod (8), a first pin (12), and a second pin (25). The limiting rod (8) is an L-shaped structure. The first pin (12) is fixed on the side wall of the main beam (10). One end of the limiting rod (8) is placed in the pin hole of the first pin (12). The column (1) is provided with a second pin (25). The other end of the limiting rod (8) is inserted into the pin hole of the second pin (25). The limiting rod (8) is fixed on the second pin (25) by the limiting nut (7).

5. The inclined concrete gravity retaining wall formwork device according to claim 1, characterized in that, A tie rod (16) is provided between the first template (1701) and the second template (1702). The two ends of the tie rod (16) pass through the two main beams (10) in the main beam group on the side of the first template (1701) and the side of the second template (1702), respectively. The two ends of the tie rod (16) are fixed to the main beam (10) by washers (15) and nuts.

6. The inclined concrete gravity retaining wall formwork device according to claim 3, characterized in that, One side of the secondary beam (11) is fixedly connected to one side of the walking platform (21), and the other side of the walking platform (21) is fixedly provided with a platform support rod (24). The other end of the platform support rod (24) is fixedly connected to the secondary beam (11). The walking platform (21) is also provided with a ladder (22) for workers to go up and down, and a guardrail (23) is fixedly provided around the walking platform (21).

7. The inclined concrete gravity retaining wall formwork device according to claim 1, characterized in that, A side mold (26) is also provided between the first template (1701) and the second template (1702). The side mold (26) is detachably connected to the first template (1701) and the second template (1702) through template buckles (27).

8. The inclined concrete gravity retaining wall formwork device according to claim 1, characterized in that, The column (1), the first longitudinal beam (3), and the second longitudinal beam (5) together form a rectangular structure, and diagonal bracing (4) is fixed on its diagonal.

9. The inclined concrete gravity retaining wall formwork device according to claim 1, characterized in that, The bottom of the second longitudinal beam (5) is fixedly connected to several walking wheels (20) by bolts. A track (18) is provided below the walking wheels (20). The walking wheels (20) roll on the track (18). The bottom of the track (18) is fixedly connected to the pad (19). The pad (19) is placed on the ground.

10. The construction method of the inclined concrete gravity retaining wall formwork device according to any one of claims 1-9, characterized in that... Includes the following steps: (1) First, level and compact the ground foundation, use measuring equipment to locate the track position and template position, then lay the pad (19) along the track position, and after laying the pad (19), weld the track (18) onto the pad (19); (2) Place the assembled frame on the track (18); (3) Use a crane to place the first template (1701) and the second template (1702) simultaneously between the rails 18. The two templates are placed in a figure-eight shape and lean against each other, keeping the tops of the two templates basically in the same plane position. Temporarily fix the templates so that they are in a stable vertical state. (4) Slowly push the platform that has been placed to the template. After reaching the predetermined position, connect the hoist (9) on the platform to the lifting lug (13) on the template. At the same time, install the limit rod (8) and the limit nut (7) in place. At this time, pull the hoist (9) to gradually lift the template off the ground. Adjust the limit rod (8) to limit the swing of the template after it is lifted. Manually push the device to the designated position. (5) Lift the casting template (17) by hoisting the hoist, push the platform to move on the track (19) by the traveling wheels (20), adjust the limit rod (8) so that the position of the template matches the edge line of the structural design, and then install limit blocks at the front and rear of the traveling wheels (20) to prevent the platform from moving along the track (19). Use the side mold (26) to seal the empty space on both sides of the casting template (17) to form a concrete casting chamber. While installing the tie rod (16), further correct the position of the template according to the structural dimensions to ensure that the template is on the structural design line. (6) The “skip-pour method” is used for construction, with layered pouring and vibration. After the concrete is poured, the formwork is removed when the conditions for demolding are met. (7) First, remove the side formwork (26) at both ends (side formwork (26) is not needed for the secondary pouring surface during skip pouring). Cut off the excess part at both ends of the tie rod (16). Leave the remaining tie rod (16) part in the concrete. Tighten the limiting rod (8) to facilitate demolding. First, slowly lift the hoists (9) on both sides of the device. At the same time, observe the demolding situation. After the formwork on both sides is slightly removed from the concrete, start lifting the hoist (9) in the middle. At the same time, tighten the limiting rod (8) again to prevent the formwork from shifting after being lifted and touching the concrete structure. When the formwork is lifted off the ground, remove the limiting block at the walking wheel (20). Manually push the platform to the next pouring surface. Then repeat the above steps (5)-(7) to complete the construction of the concrete retaining wall.

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