Self-locking formwork-free prefabricated sandwich concrete large pool wall and construction method

Abstract

The present invention discloses a self-locking formwork-free prefabricated sandwich concrete large-scale pool wall, including a small board, the upper side of the small board is symmetrically provided with a plurality of small board connection embedded parts, the plurality of small board connection embedded parts are matched and arranged in a group of two, the upper side of the small board is fixedly connected with a plurality of small board connection steel bars, the plurality of small board connection steel bars and each group of small board connection embedded parts are matched and arranged, and the plurality of small board connection steel bars are arranged between each group of small board connection embedded parts, the upper side of each small board connection steel bar is provided with a plurality of prefabricated board connection steel bars, and the front and rear sides of the plurality of prefabricated board connection steel bars are fixedly connected with an outer prefabricated board and a lower layer extending inner prefabricated board. The present invention eliminates the complicated process of traditional scaffolding and formwork, saves materials such as scaffolding and formwork, and saves a lot of construction time at the same time. The overall work is simple and the practical effect is remarkable.

Description

Technical Field

[0001] The invention relates to the technical field of structural engineering, and in particular to a self-locking formwork-free prefabricated plate sandwich concrete large-scale pool wall and a construction method thereof. Background Art

[0002] In order to effectively protect and rationally develop and utilize water resources, ensure the drinking water safety of the people, reduce the consumption of natural water resources and the pollution of natural water bodies by domestic and industrial sewage, how to improve the degree of centralized water supply and the utilization rate of domestic and industrial sewage treatment has been included in the livelihood and environmental protection work plans of various places. The construction of large reinforced concrete water tanks such as tap water reservoirs, municipal sewage treatment tanks, industrial and mining enterprise water storage tanks and regulating tanks across the country has also become frequent. Large-scale projects include mineralization filter tanks, product water tanks, water delivery pump rooms, flotation workshops and ultrafiltration pump rooms, large workshops, sludge comprehensive treatment workshops, 35KV distribution stations, concentrated brine tanks, carbon dioxide filling stations, water intake pump rooms and many other water tanks. The water tank has a large amount of water, a wide area, a large wall thickness, and a high height. At the same time, the water storage structure has high requirements for anti-seepage and anti-corrosion.

[0003] However, due to various reasons, the concrete pouring of reinforced concrete pool walls is generally carried out in stages according to the height. If the concrete joints are not handled properly, they will cause leakage to varying degrees, which will affect the use function of the pool. If it is not treated in time and allowed to develop, it may cause environmental and safety accidents. The traditional construction method of large pool walls is through a complex process of setting up scaffolding, supporting formwork, and tying steel bars to support formwork. This construction method has a long construction period, complex procedures, requires a lot of manpower, and leakage. These drawbacks need to be solved urgently. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the prior art, such as: leakage at cracks, leakage at tension bolts, leakage at water-stop steel plate connection points, complicated procedures, and the traditional cast-in-place large-scale water pool wall has a long construction period through the steps of setting up scaffolding, supporting formwork, tying steel bars to support formwork, etc., and it takes a lot of time to set up scaffolding, supporting formwork, tying steel bars to support formwork, increase the strength of concrete, and dismantle scaffolding and formwork. The proposed self-locking formwork-free prefabricated sandwich concrete large-scale water pool wall and construction method are as follows.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A self-locking formwork-free prefabricated sandwich concrete large pool wall comprises a Xiao board, wherein the upper side of the Xiao board is symmetrically provided with a plurality of Xiao board connection embedded parts, and the plurality of Xiao board connection embedded parts are matched and arranged in a group of two, and the upper side of the Xiao board is fixedly connected with a plurality of Xiao board connection steel bars, and the plurality of Xiao board connection steel bars and each group of Xiao board connection embedded parts are matched and arranged, and the plurality of Xiao board connection steel bars are arranged between each group of Xiao board connection embedded parts, and the upper side of each Xiao board connection steel bar is provided with a plurality of prefabricated board connection steel bars, and the front and rear sides of the plurality of prefabricated board connection steel bars are fixedly connected with an outer prefabricated board and a lower extended inner prefabricated board, and the interiors of the two outer prefabricated boards and the lower extended inner prefabricated boards are provided with a plurality of water stop plate installation grooves, and the plurality of water stop plate installation grooves are provided with matching transverse water stop plates or vertical water stop plates, and the outer sides of the two outer prefabricated boards are fixedly connected with an inner prefabricated board, and the outer sides of the inner prefabricated boards are provided with a return groove, and the outer sides of the two lower extended inner prefabricated boards are fixedly connected with a lower The upper side of the lower extended inner prefabricated plate is provided with an upper outer prefabricated plate, the upper side of the upper outer prefabricated plate is provided with an upper inner prefabricated plate, the outer side of the upper outer prefabricated plate is fixedly connected with an upper inner prefabricated plate, the outer side of the upper inner prefabricated plate is provided with a return groove which is the same as the outer side of the inner prefabricated plate, the upper side of the lower extended inner prefabricated plate is provided with an upper outer extended prefabricated plate, the outer side of the upper outer extended prefabricated plate is provided with an upper inner extended prefabricated plate, the outer side of the upper inner extended prefabricated plate is provided with a return groove which is the same as the outer side of the inner prefabricated plate, The return grooves are connected by vertical connecting embedded parts, horizontal connecting embedded parts, horizontal connecting plates or vertical joint connecting plates, and the interiors of the outer prefabricated panels, the lower extended outer prefabricated panels, the upper outer prefabricated panels, and the upper outer extended prefabricated panels are filled with sandwich concrete, and the outer prefabricated panels, the inner prefabricated panels, the lower extended inner prefabricated panels, the lower extended outer prefabricated panels, the upper inner prefabricated panels, the upper outer prefabricated panels, the upper inner extended prefabricated panels, and the upper outer extended prefabricated panels are provided with stabilizing devices on the outside.

[0007] Preferably, the stabilizing device includes a plurality of stabilizing plates arranged on the outside of the outer prefabricated plate, the inner prefabricated plate, the lower extended inner prefabricated plate, the lower extended outer prefabricated plate, the upper inner prefabricated plate, the upper outer prefabricated plate, the upper inner extended prefabricated plate, and the upper outer extended prefabricated plate; the side walls of the plurality of stabilizing plates are in contact and connection with the outer prefabricated plate, the inner prefabricated plate, the lower extended inner prefabricated plate, the lower extended outer prefabricated plate, the upper inner prefabricated plate, the upper outer prefabricated plate, the upper inner extended prefabricated plate, and the upper outer extended prefabricated plate; two through grooves are symmetrically provided on the outside of the plurality of stabilizing plates; two square rods are symmetrically provided in the two through grooves; the square rods in two adjacent through grooves are connected by a control line, and the control line and the square rod are wound and connected; two limit rings are symmetrically fixedly connected on the outside of the square rod; and the control line is located between the two limit rings.

[0008] Preferably, a plurality of movable grooves are symmetrically arranged in the two through grooves, and a movable rod is slidably connected in the plurality of movable grooves, the movable rod passes through the movable groove, the movable rod is connected to the bottom of the movable groove through a second spring, the movable rod is located on the outside of the movable groove and is fixedly connected with a movable cylinder, and the square rod passes through the movable cylinder.

[0009] Preferably, the cross section of the moving cylinder is polygonal.

[0010] Preferably, a plurality of stabilizing plates are provided with stabilizing holes on the upper sides, a stabilizing rod is provided in the stabilizing hole, the stabilizing rod passes through the stabilizing hole, a plurality of limiting holes are provided on the side walls of the stabilizing rod, two limiting grooves are symmetrically provided on the side walls of the plurality of stabilizing plates, a limiting rod is slidably connected at the bottom of the two limiting grooves, the limiting rod passes through the limiting groove, and the limiting rod passes through the limiting hole and the limiting hole matches the corresponding setting, the limiting rod is located in the limiting groove and is fixedly connected with a limiting plate, and the limiting plate is connected to the bottom of the limiting groove through a first spring.

[0011] Preferably, rubber pads are fixedly connected to both upper and lower ends of the stabilizing rod.

[0012] The method for constructing a large-scale pool wall with self-locking formwork-free prefabricated sandwich concrete panels includes the following steps:

[0013] S1. First, install the Xiao board at the corresponding construction position, and then weld the embedded raft slab connection embedded parts and the raft slab connection steel bars to the upper side of the Xiao board;

[0014] S2. Select a suitable number of stabilizing plates and square rods, rotate the square rods, adjust the length between two adjacent square rods, move the moving cylinder away from each other, the moving cylinder drives the moving rod to move, and the moving rod compresses the corresponding second spring until the distance between the two moving cylinders meets the working needs, insert the square rod into the corresponding moving cylinder, loosen the moving cylinder, and under the action of the second spring, the moving cylinder and the square rod are tightly connected together. Then, when it is necessary to connect the upper and lower stabilizing plates together, the limit plate can be moved away from each other. While the limit plate stretches the first spring, it drives the limit rod to move, insert the stabilizing rod into the stabilizing hole, and make the limit hole and The limiting rods are relative, the limiting plate is loosened, the limiting rod enters the limiting hole, and the connected stabilizing plate is placed as a whole on the outside of the outer prefabricated plate, the inner prefabricated plate, the lower extended inner prefabricated plate, the lower extended outer prefabricated plate, the upper inner prefabricated plate, the upper outer prefabricated plate, the upper inner extended prefabricated plate, and the upper outer extended prefabricated plate, and the stabilizing plate and the outer prefabricated plate, the inner prefabricated plate, the lower extended inner prefabricated plate, the lower extended outer prefabricated plate, the upper inner prefabricated plate, the upper outer prefabricated plate, the upper inner extended prefabricated plate, and the upper outer extended prefabricated plate are contacted and connected together, and the prefabricated plate connecting steel bars and the outer prefabricated plate with the water stop plate installation groove are installed by welding;

[0015] S3, installing the inner prefabricated panels by welding;

[0016] S4. Install the vertical connection embedded parts, the horizontal connection embedded parts, the lower extension inner prefabricated plate, and the lower extension outer prefabricated plate by welding;

[0017] S5. Install the upper inner prefabricated plate, the upper outer prefabricated plate, the upper inner extended prefabricated plate, and the upper outer extended prefabricated plate by welding; weld the transverse connecting plate to connect the upper and lower prefabricated plates;

[0018] S6. Install the horizontal water stop plate and the vertical water stop plate by welding;

[0019] S7, welding the vertical connection embedded parts and the vertical joint connection plates together;

[0020] S8. pouring sandwich concrete.

[0021] Compared with the prior art, the beneficial effects of the present invention are: 1. The self-locking formwork-free prefabricated sandwich concrete pool wall, the self-locking prefabricated panels act as the external formwork, eliminating the complex process of traditional scaffolding and formwork, saving scaffolding, formwork and other materials; 2. Saving a lot of construction time; 3. The self-locking buckle connection method of the prefabricated panels can realize the rapid connection of the prefabricated panels; 4. The large water pool is formwork-free and leak-proof, the splicing groove connection groove realizes the effective connection between the prefabricated panels and the sandwich concrete, and the embedded waterstop at the self-locking connection of the prefabricated panels can achieve no leakage. The prefabricated panels are prefabricated in the factory to solve the on-site temperature problem of large-volume concrete, and effectively solve the common problem of pool leakage caused by cracking of cast-in-place concrete; 5. The visual effect is good, the prefabricated panels are prefabricated in the factory, spliced ​​and installed on-site, and the appearance molding quality is good. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the installation of the self-locking formwork-free prefabricated sandwich concrete large-scale pool wall and the bottom raft slab of the construction method proposed by the present invention;

[0023] Figure 2 It is a schematic diagram of the installation of the self-locking formwork-free prefabricated sandwich concrete large-scale pool wall and the outer modular prefabricated panels of the construction method proposed by the present invention;

[0024] Figure 3 It is a schematic diagram of the installation of the self-locking formwork-free prefabricated sandwich concrete large-scale pool wall and the inner modular prefabricated panels of the construction method proposed by the present invention;

[0025] Figure 4 It is a schematic diagram of sequentially extending and installing the self-locking formwork-free prefabricated sandwich concrete large-scale pool wall and the bottom prefabricated panels of the construction method proposed by the present invention;

[0026] Figure 5 It is a schematic diagram of the installation of the upper prefabricated panel of the self-locking formwork-free prefabricated panel sandwich concrete large-scale water pool wall and the construction method proposed by the present invention;

[0027] Figure 6 It is a schematic diagram of the transverse connection and installation of the self-locking formwork-free prefabricated sandwich concrete large-scale pool wall and the prefabricated panels of the construction method proposed by the present invention;

[0028] Figure 7 It is a schematic diagram of the vertical connection and installation of the self-locking formwork-free prefabricated sandwich concrete large-scale pool wall and the prefabricated panels of the construction method proposed by the present invention;

[0029] Figure 8 It is a schematic diagram of the vertical casting and installation of the self-locking formwork-free prefabricated sandwich concrete large-scale pool wall and the construction method proposed by the present invention;

[0030] Fig. 9A schematic diagram of the construction and installation process of the self-locking formwork-free prefabricated sandwich concrete large-scale pool wall and the construction method proposed by the present invention;

[0031] Fig.10 This is a schematic structural diagram of the self-locking formwork-free prefabricated sandwich concrete large pool wall and the stabilizing plate in the construction method proposed by the present invention.

[0032] In the figure: 1 raft, 2 raft connection embedded parts, 3 raft connection steel bars, 4 precast plate connection steel bars, 5 water stop plate installation groove, 6 outer precast plate, 7 inner precast plate, 8 vertical connection embedded parts, 9 horizontal connection embedded parts, 10 lower layer extended inner precast plate, 11 lower layer extended outer precast plate, 12 upper layer inner precast plate, 13 upper layer outer precast plate, 14 upper layer inner extension precast plate, 15 upper layer outer extension precast plate, 16 Horizontal connecting plate, 17 horizontal water stop plate, 18 vertical water stop plate, 19 vertical joint connecting plate, 20 sandwich concrete, 21 stabilizing plate, 22 stabilizing rod, 23 control line, 24 stabilizing hole, 25 limiting hole, 26 limiting groove, 27 limiting rod, 28 limiting plate, 29 first spring, 30 through groove, 31 moving cylinder, 32 square rod, 33 limiting ring, 34 moving groove, 35 moving rod, 36 second spring, 37 return groove. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0034] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing 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 on the present invention.

[0035] Reference Figure 1-10A self-locking formwork-free prefabricated sandwich concrete large pool wall and construction method, comprising a Xiao board 1, a plurality of Xiao board connection embedded parts 2 are symmetrically fixedly connected on the upper side of the Xiao board 1, and the plurality of Xiao board connection embedded parts 2 are matched and arranged in groups of two, a plurality of Xiao board connection steel bars 3 are fixedly connected on the upper side of the Xiao board 1, a plurality of Xiao board connection steel bars 3 are matched and arranged correspondingly with each group of Xiao board connection embedded parts 2, and a plurality of Xiao board connection steel bars 3 are arranged between each group of Xiao board connection embedded parts 2, a plurality of prefabricated board connection steel bars 4 are arranged on the upper side of each Xiao board connection steel bar 3, an outer prefabricated board 6 and a lower extended inner prefabricated board 10 are fixedly connected on the front and rear sides of the plurality of prefabricated board connection steel bars 4, and a plurality of water stop plates are arranged inside the two outer prefabricated boards 6 and the lower extended inner prefabricated boards 10 Grooves 5, multiple waterstop plate installation grooves 5 are provided with matching transverse waterstop plates 17 or vertical waterstop plates 18, the outer sides of two outer prefabricated plates 6 are fixedly connected with inner prefabricated plates 7, the outer sides of the inner prefabricated plates 7 are provided with return grooves 37, the outer sides of two lower extended inner prefabricated plates 10 are fixedly connected with lower extended outer prefabricated plates 11, the upper sides of the outer prefabricated plates 6 are provided with upper outer prefabricated plates 13, the outer sides of the upper outer prefabricated plates 13 are fixedly connected with upper inner prefabricated plates 12, the outer sides of the upper inner prefabricated plates 12 are provided with the same return grooves 37 as the outer sides of the inner prefabricated plates 7, the upper sides of the lower extended inner prefabricated plates 10 are provided with upper outer extended prefabricated plates 15, the outer sides of the upper outer extended prefabricated plates 15 are provided with upper inner extended prefabricated plates 14, The outer side of the upper inner extended precast panel 14 is provided with a return groove 37 which is the same as the outer side of the inner precast panel 7, and the return grooves 37 are connected by vertical connecting embedded parts 8, horizontal connecting embedded parts 9, horizontal connecting plates 16 or vertical joint connecting plates 19, and the inner side of the outer precast panel 6, the lower extended outer precast panel 11, the upper outer precast panel 13, and the upper outer extended precast panel 15 are filled with sandwich concrete 20, and the outer side of the outer precast panel 6, the inner precast panel 7, the lower extended inner precast panel 10, the lower extended outer precast panel 11, the upper inner precast panel 12, the upper outer precast panel 13, the upper inner extended precast panel 14, and the upper outer extended precast panel 15 are provided with a stabilizing device, and the stabilizing device includes a stabilizing device on the outer precast panel 6, the inner precast panel 7 , a plurality of stabilizing plates 21 are arranged outside the lower extended inner prefabricated plate 10, the lower extended outer prefabricated plate 11, the upper inner prefabricated plate 12, the upper outer prefabricated plate 13, the upper inner extended prefabricated plate 14, and the upper outer extended prefabricated plate 15; the side walls of the plurality of stabilizing plates 21 are in contact and connected with the outer prefabricated plate 6, the inner prefabricated plate 7, the lower extended inner prefabricated plate 10, the lower extended outer prefabricated plate 11, the upper inner prefabricated plate 12, the upper outer prefabricated plate 13, the upper inner extended prefabricated plate 14, and the upper outer extended prefabricated plate 15; two through grooves 30 are symmetrically arranged outside the plurality of stabilizing plates 21; two square rods 32 are symmetrically arranged inside the two through grooves 30; the square rods 32 inside two adjacent through grooves 30 are connected by a control line 23;The control line 23 and the square rod 32 are wound and connected, and two limit rings 33 are symmetrically fixedly connected on the outer side of the square rod 32. The control line 23 is arranged between the two limit rings 33, and the stabilizing plate 21 and the control line 23 cooperate to complete the clamping, limiting and fixing operation of all the mounting plates. A plurality of movable grooves 34 are symmetrically arranged in the two through grooves 30, and a movable rod 35 is slidably connected in the plurality of movable grooves 34. The movable rod 35 runs through the movable groove 34, and the movable rod 35 is connected to the bottom of the movable groove 34 through a second spring 36. The movable rod 35 is located on the outer side of the movable groove 34 and is fixedly connected with a movable cylinder 31. The square rod 32 runs through the movable cylinder 31, and the installation operation of the square rod 32 is completed by using the movable cylinder 31. The cross section of the movable cylinder 31 is a polygonal setting, so that the movable cylinder 31 and the square rod 32 can be easily fixed. The connection between them is tighter. A plurality of stabilizing plates 21 are provided with stabilizing holes 24 on the upper side. A stabilizing rod 22 is provided in the stabilizing hole 24. The stabilizing rod 22 runs through the stabilizing hole 24. A plurality of limiting holes 25 are provided on the side wall of the stabilizing rod 22. Two limiting grooves 26 are symmetrically provided on the side wall of the plurality of stabilizing plates 21. A limiting rod 27 is provided at the bottom of the two limiting grooves 26 for sliding connection. The limiting rod 27 runs through the limiting groove 26. The limiting rod 27 runs through the limiting hole 25 and the limiting hole 25 matches the corresponding setting. The limiting rod 27 is located in the limiting groove 26 and is fixedly connected with a limiting plate 28. The limiting plate 28 is connected to the bottom of the limiting groove 26 through a first spring 29. The fixing connection operation of the upper and lower adjacent stabilizing plates 21 is completed by the cooperation between the stabilizing rod 22 and the stabilizing hole 24. The upper and lower ends of the stabilizing rod 22 are fixedly connected with rubber pads.

[0036] The method for constructing a large-scale pool wall of a self-locking formwork-free prefabricated sandwich concrete panel is characterized by comprising the following steps:

[0037] S1. First, install the Xiao board 1 at the corresponding construction position, and then weld the embedded raft slab connection embedded parts 2 and the raft slab connection steel bars 3 to the upper side of the Xiao board 1;

[0038] S2. Select a suitable number of stabilizing plates 21 and square rods 32, rotate the square rods 32, adjust the length between two adjacent square rods 32, move the moving cylinder 31 away from each other, and the moving cylinder 31 drives the moving rod 35 to move, and the moving rod 35 compresses the corresponding second spring until the distance between the two moving cylinders 31 meets the working requirements, insert the square rod 32 into the corresponding moving cylinder 31, loosen the moving cylinder 31, and under the action of the second spring, the moving cylinder 31 and the square rod 32 are tightly connected together. Then, when it is necessary to connect the upper and lower stabilizing plates 21 together, the limiting plate 28 can be moved away from each other. While the limiting plate 28 stretches the first spring 29, it drives the limiting rod 27 to move, insert the stabilizing rod 22 into the stabilizing hole 24, and make the limiting hole 25 Relative to the limiting rod 27, loosen the limiting plate 28, the limiting rod 27 enters the limiting hole 25, and the connected stabilizing plate 21 is placed as a whole on the outside of the outer precast plate 6, the inner precast plate 7, the lower extended inner precast plate 10, the lower extended outer precast plate 11, the upper inner precast plate 12, the upper outer precast plate 13, the upper inner extended precast plate 14, and the upper outer extended precast plate 15, and the stabilizing plate 21 and the outer precast plate 6, the inner precast plate 7, the lower extended inner precast plate 10, the lower extended outer precast plate 11, the upper inner precast plate 12, the upper outer precast plate 13, the upper inner extended precast plate 14, and the upper outer extended precast plate 15 are contacted and connected together, and the precast plate connecting steel bars 4 and the outer precast plate 6 with the water stop plate installation groove 5 are installed by welding;

[0039] S3, installing the inner prefabricated plate 7 by welding;

[0040] S4, installing the vertical connection embedded parts 8, the horizontal connection embedded parts 9, the lower extension inner prefabricated plate 10, and the lower extension outer prefabricated plate 11 by welding;

[0041] S5, installing the upper inner prefabricated plate 12, the upper outer prefabricated plate 13, the upper inner extension prefabricated plate 14, and the upper outer extension prefabricated plate 15 by welding; welding the transverse connecting plate 16 to connect the upper and lower prefabricated plates;

[0042] S6. Install the transverse water stop plate 17 and the vertical water stop plate 18 by welding;

[0043] S7, welding the vertical connection embedded parts 8 and the vertical joint connection plates 19 together;

[0044] S8, pouring sandwich concrete 20.

[0045] In the present invention, the Xiao board 1 is first installed on the corresponding construction position, and then the embedded raft slab connection embedded parts 2 and the raft slab connection steel bars 3 are welded and installed on the upper side of the Xiao board 1, and a suitable number of stabilizing plates 21 and square rods 32 are selected, and the square rods 32 are rotated to adjust the length between two adjacent square rods 32, and the moving cylinder 31 is moved away from each other, and the moving cylinder 31 drives the moving rod 35 to move, and the moving rod 35 compresses the corresponding second spring until the distance between the two moving cylinders 31 meets the working requirements, and the square rod 32 is inserted into the corresponding moving cylinder 31, and the moving cylinder 31 is released, and the second spring is pressed against the moving cylinder 31. Under the action of the spring, the moving cylinder 31 and the square rod 32 are tightly connected together. Then, when the upper and lower stabilizing plates 21 need to be connected together, the limiting plate 28 can be moved away from each other. While the limiting plate 28 stretches the first spring 29, it drives the limiting rod 27 to move, inserts the stabilizing rod 22 into the stabilizing hole 24, and makes the limiting hole 25 and the limiting rod 27 face each other. The limiting plate 28 is released, and the limiting rod 27 enters the limiting hole 25. The connected stabilizing plates 21 are placed as a whole on the outer prefabricated plate 6, the inner prefabricated plate 7, the lower extended inner prefabricated plate 10, and the lower extended outer prefabricated plate 1 1. The upper inner prefabricated panel 12, the upper outer prefabricated panel 13, the upper inner extended prefabricated panel 14, and the outer side of the upper outer extended prefabricated panel 15 are connected together by the stabilizing panel 21 and the outer prefabricated panel 6, the inner prefabricated panel 7, the lower extended inner prefabricated panel 10, the lower extended outer prefabricated panel 11, the upper inner prefabricated panel 12, the upper outer prefabricated panel 13, the upper inner extended prefabricated panel 14, and the upper outer extended prefabricated panel 15, and the prefabricated panel connecting steel bars 4 and the outer prefabricated panel 6 with the water stop plate installation groove 5 are installed by welding, and the inner prefabricated panel is installed by welding 7. Install the vertical connection embedded parts 8, the horizontal connection embedded parts 9, the lower extended inner precast plate 10, and the lower extended outer precast plate 11 by welding, and install the upper inner precast plate 12, the upper outer precast plate 13, the upper inner extension precast plate 14, and the upper outer extension precast plate 15 by welding; weld the horizontal connection plate 16 to connect the upper and lower precast plates, install the horizontal water stop plate 17 and the vertical water stop plate 18 by welding, weld the vertical connection embedded parts 8 and the vertical joint connection plate 19 together, pour the sandwich concrete 20, and complete the installation operation of the pool wall.

[0046] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. Self-locking formwork-free prefabricated sandwich concrete large pool wall, including a small board (1), It is characterized in that The upper side of the Xiao board (1) is symmetrically provided with a plurality of Xiao board connection embedded parts (2) fixedly connected, and the plurality of Xiao board connection embedded parts (2) are matched and arranged in groups of two. The upper side of the Xiao board (1) is fixedly provided with a plurality of Xiao board connection steel bars (3), and the plurality of Xiao board connection steel bars (3) and each group of Xiao board connection embedded parts (2) are matched and arranged correspondingly, and the plurality of Xiao board connection steel bars (3) are arranged between each group of Xiao board connection embedded parts (2). The upper side of each Xiao board connection steel bar (3) is provided with a plurality of prefabricated plate connection steel bars (4), and the front and rear sides of the plurality of prefabricated plate connection steel bars (4) are fixedly connected with an outer prefabricated plate (6) and a lower extended inner prefabricated plate (10), and the two outer prefabricated plates (6) and the lower extended inner prefabricated plate (10) are fixedly connected. The interior of the extended inner prefabricated plate (10) is provided with a plurality of water stop plate installation grooves (5), and the plurality of water stop plate installation grooves (5) are provided with matching transverse water stop plates (17) or vertical water stop plates (18). The outer sides of the two outer prefabricated plates (6) are fixedly connected with the inner prefabricated plates (7), and the outer sides of the inner prefabricated plates (7) are provided with return grooves (37). The outer sides of the two lower extended inner prefabricated plates (10) are fixedly connected with the lower extended outer prefabricated plates (11), and the upper side of the outer prefabricated plates (6) is provided with an upper outer prefabricated plate (13), and the outer side of the upper outer prefabricated plate (13) is fixedly connected with the upper inner prefabricated plate (12), and the outer side of the upper inner prefabricated plate (12) is provided with the inner The outer side of the prefabricated plate (7) is provided with a return groove (37) identical to that of the outer side of the inner prefabricated plate (7); the upper side of the lower extended inner prefabricated plate (10) is provided with an upper outer extended prefabricated plate (15); the outer side of the upper outer extended prefabricated plate (15) is provided with an upper inner extended prefabricated plate (14); the outer side of the upper inner extended prefabricated plate (14) is provided with a return groove (37) identical to that of the outer side of the inner prefabricated plate (7); the return grooves (37) are connected by vertical connecting embedded parts (8), horizontal connecting embedded parts (9), horizontal connecting plates (16) or vertical joint connecting plates (19); the inner sides of the outer prefabricated plate (6), the lower extended outer prefabricated plate (11), the upper outer prefabricated plate (13), and the upper outer extended prefabricated plate (15 ... The outer portion is filled with sandwich concrete (20), and the outer sides of the outer precast panel (6), the inner precast panel (7), the lower extended inner precast panel (10), the lower extended outer precast panel (11), the upper inner precast panel (12), the upper outer precast panel (13), the upper inner extended precast panel (14), and the upper outer extended precast panel (15) are provided with a stabilizing device, and the stabilizing device includes a plurality of stabilizing plates (21) arranged on the outer sides of the outer precast panel (6), the inner precast panel (7), the lower extended inner precast panel (10), the lower extended outer precast panel (11), the upper inner precast panel (12), the upper outer precast panel (13), the upper inner extended precast panel (14), and the upper outer extended precast panel (15).The side walls of the plurality of stabilizing plates (21) are arranged in contact and connection with the outer prefabricated plates (6), the inner prefabricated plates (7), the lower extended inner prefabricated plates (10), the lower extended outer prefabricated plates (11), the upper inner prefabricated plates (12), the upper outer prefabricated plates (13), the upper inner extended prefabricated plates (14), and the upper outer extended prefabricated plates (15); two through slots (30) are symmetrically arranged on the outer sides of the plurality of stabilizing plates (21); two square rods (32) are symmetrically arranged in the two through slots (30); the square rods (32) in two adjacent through slots (30) are connected by a control line (23); and the control line (23) and the square rods (32) are entangled. The outer side of the square rod (32) is symmetrically and fixedly connected with two limit rings (33), the control line (23) is arranged between the two limit rings (33), the two through grooves (30) are symmetrically provided with a plurality of moving grooves (34) in the upper and lower parts, and a moving rod (35) is slidably connected and provided in the plurality of moving grooves (34) in the upper and lower parts, the moving rod (35) is arranged to pass through the moving groove (34), the moving rod (35) is connected and provided with a bottom of the moving groove (34) through a second spring (36), the moving rod (35) is located on the outer side of the moving groove (34) and is fixedly connected with a moving cylinder (31), and the square rod (32) is arranged to pass through the moving cylinder (31).

2. The self-locking formwork-free prefabricated sandwich concrete large pool wall according to claim 1, It is characterized in that The cross section of the moving cylinder (31) is arranged in a polygonal shape.

3. The self-locking formwork-free prefabricated sandwich concrete large pool wall according to claim 2, It is characterized in that A plurality of stabilizing plates (21) are provided with stabilizing holes (24) on their upper sides, wherein stabilizing holes (24) are provided with stabilizing rods (22), wherein the stabilizing rods (22) are arranged to pass through the stabilizing holes (24), wherein the side walls of the stabilizing rods (22) are provided with a plurality of limiting holes (25), wherein the side walls of the plurality of stabilizing plates (21) are symmetrically provided with two limiting grooves (26), wherein the bottoms of the two limiting grooves (26) are slidably connected with limiting rods (27), wherein the limiting rods (27) pass through the limiting grooves (26), and wherein the limiting rods (27) pass through the limiting holes (25) and the limiting holes (25) are arranged to match and correspond to each other, wherein the limiting rods (27) are located in the limiting grooves (26) and are fixedly connected with limiting plates (28), wherein the limiting plates (28) are connected to the bottoms of the limiting grooves (26) via first springs (29).

4. The self-locking formwork-free prefabricated sandwich concrete large pool wall according to claim 3, It is characterized in that The upper and lower ends of the stabilizing rod (22) are both fixedly connected with rubber pads.

5. The method for constructing a large-scale pool wall of a self-locking formwork-free prefabricated sandwich concrete pool according to claim 4, It is characterized in that The following steps are involved: S1. First, install the Xiao board (1) at the corresponding construction position, and then weld the embedded raft slab connection embedded parts (2) and the raft slab connection steel bars (3) to the upper side of the Xiao board 1; S2. Select a suitable number of stabilizing plates (21) and square rods (32), rotate the square rods (32), adjust the length between two adjacent square rods (32), move the moving cylinder (31) away from each other, the moving cylinder (31) drives the moving rod (35) to move, and the moving rod (35) compresses the corresponding second spring until the distance between the two moving cylinders (31) meets the working requirements, insert the square rod (32) into the corresponding moving cylinder (31), loosen the moving cylinder (31), and under the action of the second spring, the moving cylinder (31) and the square rod (32) are tightly connected together. Then, when it is necessary to connect the upper and lower stabilizing plates (21) together, move the limiting plate (28) away from each other, and while the limiting plate (28) stretches the first spring (29), it drives the limiting rod (27) to move, insert the stabilizing rod (22) into the stabilizing hole (24), and make the limiting hole (25) and the limiting rod (27), loosen the limit plate (28), the limit rod (27) enters the limit hole (25), and the connected stabilizing plate (21) is placed as a whole on the outside of the outer prefabricated plate (6), the inner prefabricated plate (7), the lower extended inner prefabricated plate (10), the lower extended outer prefabricated plate (11), the upper inner prefabricated plate (12), the upper outer prefabricated plate (13), the upper inner extended prefabricated plate (14), and the upper outer extended prefabricated plate (15), and the stabilizing plate (21) is placed on the outside of the outer prefabricated plate (6), the inner prefabricated plate (7), the lower extended inner prefabricated plate (10), the lower extended outer prefabricated plate (11), the upper inner prefabricated plate (12), the upper outer prefabricated plate (13), the upper inner extended prefabricated plate (14), and the upper outer extended prefabricated plate (15). The fixing plate (21) and the outer prefabricated plate (6), the inner prefabricated plate (7), the lower extended inner prefabricated plate (10), the lower extended outer prefabricated plate (11), the upper inner prefabricated plate (12), the upper outer prefabricated plate (13), the upper inner extended prefabricated plate (14), and the upper outer extended prefabricated plate (15) are in contact and connected together, and the prefabricated plate connecting steel bars (4) and the outer prefabricated plate (6) with the water stop plate installation groove (5) are installed by welding; S3, installing the inner prefabricated plate (7) by welding; S4, installing the vertical connection embedded parts (8), the horizontal connection embedded parts (9), the lower extension inner prefabricated plate (10), and the lower extension outer prefabricated plate (11) by welding; S5, installing the upper inner prefabricated plate (12), the upper outer prefabricated plate (13), the upper inner extension prefabricated plate (14), and the upper outer extension prefabricated plate (15) by welding; welding the transverse connecting plate (16) to connect the upper and lower prefabricated plates; S6. Installing the transverse water stop plate (17) and the vertical water stop plate (18) by welding; S7, welding the vertical connection embedded parts (8) and the vertical joint connection plates (19) together; S8. pouring sandwich concrete (20).

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