Water pool prefabricated side plate with heat preservation function and assembly type water pool applying water pool prefabricated side plate

Abstract

The pool prefabricated side plate with the heat preservation function comprises a tiled reinforcement cage, a first prefabricated concrete plate is poured on the lower side of the reinforcement cage, a heat preservation layer is laid on the upper side face of the reinforcement cage, and a second prefabricated concrete plate is poured on the upper side face of the heat preservation layer. The tensioning connecting pieces are distributed at intervals and longitudinally penetrate through the heat preservation layer, the lower ends of the tensioning connecting pieces are poured into the first prefabricated concrete plank, the upper ends of the tensioning connecting pieces are poured into the second prefabricated concrete plank, and a pouring cavity is formed between the heat preservation layer and the first prefabricated concrete plank. When the pool prefabricated side plate is manufactured, the reinforcement cage which is woven in advance is laid in the die cavity, the tensioning connecting pieces are inserted and placed on the reinforcement cage at intervals, the first prefabricated concrete plate, the heat preservation layer and the second prefabricated concrete plate can be poured in sequence, turning over is not needed in the construction process, the construction difficulty is simplified, and the construction efficiency is improved. The manufacturing period is short and the efficiency is high; and the heat-insulating layer is arranged inside, so that heat-insulating performance is good.

Description

Technical Field

[0001] This utility model relates to the field of prefabricated water tank technology, specifically to a prefabricated side panel of a water tank with heat preservation function and a prefabricated water tank using the same. Background Technology

[0002] A water tank is a water storage facility with seepage prevention capabilities, and it is used in various fields such as fire protection systems, industrial systems, and agricultural systems. Due to the drawbacks of cast-in-place concrete water tank construction, such as high formwork consumption, long on-site operation time, significant weather influence, and unstable concrete quality, various structural styles of prefabricated water tanks have emerged on the market, among which prefabricated concrete water tanks are more widely used. Prefabricated concrete water tanks (hereinafter referred to as prefabricated water tanks) are constructed as follows: a base is poured; several precast side panel units are assembled inside the pre-reserved side panel installation grooves on the base to form the side walls of the water tank; and then a top slab is laid on the upper end of the side walls of the water tank.

[0003] Due to geographical limitations, the cold winter climate in northern my country makes the side walls of prefabricated water tanks prone to cracking and leakage due to the expansion of the water inside the tank as it freezes. Adding insulation directly to the exterior of the tank side walls is difficult and costly, severely hindering the widespread application of this insulation solution. Currently, there are few reports on structures with insulation layers inside prefabricated side panel units for water tanks. Furthermore, the fabrication processes of double-sided composite prefabricated wall panels with insulation functions reported in the field of building shear walls are mostly complex. Directly applying these processes to the fabrication of prefabricated side panels for water tanks results in complex processes, poor operability, and low efficiency. For example, Chinese invention patent application No. 201811154596.5 discloses a double-sided composite sandwich insulated shear wall, which, from the outside in, includes an outer precast concrete slab, an insulation board, a cast-in-place concrete layer, and an inner precast concrete slab. Reinforcing bars are embedded in both the outer and inner precast concrete slabs. Multiple vertically distributed connectors are located in the middle of the insulated shear wall, and stirrups are located at both ends. The connectors and stirrups penetrate the insulation board and the cast-in-place concrete layer, and are fixedly connected to the reinforcing bars in the outer and inner precast concrete slabs. During the construction of this shear wall, the reinforcing bars, connectors, and stirrups in the precast concrete slab are first tied, and the outer precast concrete slab is poured to the specified thickness. Then, an insulation layer is laid on top of the outer precast concrete slab. The insulation layer should have pre-drilled slots for the connectors and stirrups, and the pre-arranged connectors and stirrups should be able to pass through the pre-drilled slots in the insulation layer. Next, the wall is flipped over, and the inner precast concrete slab is poured into the predetermined position. The fabrication process of this shear wall is complex, time-consuming, and inefficient. To address this, this utility model proposes a precast side panel for a water tank with thermal insulation function and an assembled water tank using the same, aiming to solve the above-mentioned technical problems. Summary of the Invention

[0004] The purpose of this utility model is to overcome the defects existing in the prior art and provide a prefabricated side panel for a water tank with heat insulation function and an assembled water tank using it. When manufacturing the prefabricated side panel, a pre-prepared steel cage is laid in the mold cavity of the formwork, and several tensioning connectors are inserted and interlocked on the steel cage before pouring the first prefabricated concrete slab. Subsequently, an insulation layer is laid on the side of the steel cage before pouring the second prefabricated concrete slab. This simplifies the construction difficulty, and after the first prefabricated concrete slab is cast, there is no need to modify the steel reinforcement. The insulation layer can be laid and the precast concrete slab poured after the cage is flipped over. The pouring cycle of the precast side panel of the water tank is short and efficient. The insulation layer is integrally poured into the interior of the precast side panel of the water tank. The water tank made using the precast side panel of the water tank has excellent thermal insulation performance and achieves the same lifespan for insulation and structure. The precast side panel of the water tank of this utility model has a pouring cavity inside, which greatly reduces the weight of the precast side panel with the same area and size as the integrated structure design, thereby significantly reducing the difficulty of lifting and transporting the precast side panel of the water tank.

[0005] One objective of this utility model is to design a precast side panel for a water tank with heat insulation function, comprising a flat steel cage, a precast concrete slab I cast on the lower side of the steel cage, an insulation layer laid on the upper side of the steel cage, a precast concrete slab II cast on the upper side of the insulation layer, and several spaced tension connectors that longitudinally penetrate the insulation layer. The lower end of the tension connector is cast inside the precast concrete slab I, and the upper end of the tension connector is cast inside the precast concrete slab II. A casting cavity is formed between the insulation layer and the precast concrete slab I.

[0006] This utility model discloses a precast side panel for a water tank with thermal insulation function. During the fabrication of the precast side panel, a pre-fabricated steel cage is placed in the mold cavity of the formwork. Several tensioning connectors are then inserted and interlocked on the steel cage before pouring the first precast concrete slab. Subsequently, an insulation layer is laid on the upper side of the steel cage before pouring the second precast concrete slab. This simplifies construction. After the first precast concrete slab is cast, there is no need to flip the steel cage before laying the insulation layer and pouring the second precast concrete slab. The pouring cycle of the precast side panel is short and efficient. The insulation layer is integrally cast inside the precast side panel, resulting in a water tank with excellent thermal insulation performance, achieving a lifespan equal to that of the insulation and the structure. The precast side panel of this utility model has an internal pouring cavity, significantly reducing the weight compared to a precast side panel with an integrated structure of the same size, thus significantly reducing the difficulty of lifting and transporting the precast side panel.

[0007] A preferred technical solution is that a heating element is provided on the upper side or inside of the insulation layer, and a power connection assembly electrically connected to the heating element is reserved on the outside of the prefabricated side panel of the water tank. By providing a heating element on the upper side or inside of the insulation layer, when the prefabricated side panel of this utility model is assembled into a prefabricated water tank, the water tank side panel has both insulation and heating functions. The required temperature of the water tank side panel can be flexibly set according to the actual use scenario, thereby helping to further improve the flexibility and applicability of the prefabricated side panel of this utility model.

[0008] A preferred technical solution also includes that the reinforcing bars on the steel cage extend to their left and right sides to form a first reinforcing bar connector, and the reinforcing bars on the steel mesh embedded inside the precast concrete slab extend to their left and right sides to form a second reinforcing bar connector. When the precast side panels of this utility model are assembled into prefabricated water tank side panels on the construction site, two adjacent precast side panels are welded and fixed together by the first and second reinforcing bar connectors exposed on the vertical surfaces of their respective connecting sides. This ensures good overall structural strength of the prefabricated water tank and helps reduce the construction difficulty and extend the service life of the prefabricated water tank.

[0009] A further preferred technical solution is that the reinforcing cage is made of several horizontal transverse reinforcing bars (I), several horizontal longitudinal reinforcing bars (II), and several internal tie bars, bound together; the reinforcing mesh embedded inside the precast concrete slab (II) is made of several horizontal transverse reinforcing bars (I) and several horizontal longitudinal reinforcing bars (II). Both the reinforcing cage and the reinforcing mesh can be pre-fabricated to certain dimensions, thereby further simplifying the manufacturing process of the precast side panels of the water tank and shortening the manufacturing cycle.

[0010] A further preferred technical solution is that the internal tie rod is a stirrup.

[0011] A preferred technical solution also includes a tensioning connector comprising a screw rod, with a first waterstop plate vertically fixed to the lower end of the screw rod, and a second waterstop plate located on the lower side and a third waterstop plate located on the upper side of the screw rod spaced apart. The first waterstop plate is pre-embedded and cast inside the first precast concrete slab, and the insulation layer is sandwiched between the second and third waterstop plates. The tensioning connector's screw rod is provided with several waterstop plates at intervals. These waterstop plates improve the pre-embedded casting firmness of the tensioning connector within the first and second precast concrete slabs, and also ensure the sealing and leak-proof performance of the precast side panels of the water tank at the location of the tensioning connector.

[0012] A further preferred technical solution is that the upper end of the screw is provided with a shoulder, and the lower end face of the second waterstop plate abuts against the shoulder at the upper end of the screw. The shoulder at the upper end of the screw acts as a limit for the second waterstop plate, effectively preventing it from falling after the insulation layer is laid, and avoiding localized drop of the insulation layer.

[0013] A preferred technical solution also includes a plurality of n-shaped hangers spaced apart along the width direction of the precast side panels of the water tank. Both sides of the n-shaped hangers are inserted and fixed inside the reinforcing cage from the front, with the top of the n-shaped hangers protruding outside the front face of the casting cavity. One side of the n-shaped hanger is pre-embedded and cast inside the precast concrete slab. The n-shaped hangers inserted and fixed to the reinforcing cage ensure the convenience of hoisting the precast side panels of the water tank according to this invention.

[0014] The second objective of this utility model is to design a prefabricated water tank, including a water tank side panel, which is formed by splicing and connecting several of the above-mentioned prefabricated water tank side panels.

[0015] This utility model discloses a prefabricated water tank with heat insulation function on the side panels, thus eliminating the need for secondary insulation structures on the outside of the side panels. It is also suitable for northern regions with low winter temperatures, and is economical and practical.

[0016] A preferred technical solution is that, when several prefabricated side panels of the water tank are spliced ​​together to form a water tank side panel, two adjacent prefabricated side panels are fixedly connected together by welding steel bar connectors one and two on opposite sides. A set of clamping channel steel is laid on the inner and outer sides of the joint of two adjacent prefabricated side panels. The set of clamping channel steel is fixedly connected together by locking bolt assemblies that pass through the corresponding mounting holes on the two. Concrete is poured into the longitudinal cavity formed by splicing two adjacent prefabricated side panels and a set of clamping channel steel, as well as into the pouring cavity on the prefabricated side panel of the water tank. When prefabricated side panels of a water tank are spliced ​​together, two adjacent prefabricated side panels are welded and fixed together by steel bar connectors on their opposite sides. Concrete is poured into the longitudinal cavity formed by splicing two adjacent prefabricated side panels and a set of clamping channel steel, as well as into the pouring cavity on the prefabricated side panels, to ensure that the water tank side panels have good overall firmness, high structural strength, and good sealing and leak-proof performance.

[0017] The advantages and beneficial effects of this utility model are as follows:

[0018] 1. This utility model discloses a precast side panel for a water tank with thermal insulation function. During the fabrication of the precast side panel, a pre-woven steel cage is laid in the mold cavity of the formwork. Several tensioning connectors are then inserted and interlocked on the steel cage before pouring the first precast concrete slab. Subsequently, an insulation layer is laid on the upper side of the steel cage before pouring the second precast concrete slab. This simplifies construction. After the first precast concrete slab is cast, there is no need to flip the steel cage before laying the insulation layer and pouring the second precast concrete slab. The pouring cycle of the precast side panel is short and efficient. The insulation layer is integrally cast inside the precast side panel, resulting in a water tank with excellent thermal insulation performance, achieving the same lifespan for both insulation and structure. The precast side panel of this utility model has an internal pouring cavity, significantly reducing the weight compared to a precast side panel with an integrated structure of the same size, thereby significantly reducing the difficulty of lifting and transporting the precast side panel.

[0019] 2. By setting heating elements on the side or inside of the insulation layer, the prefabricated side panels of the water tank are assembled into a prefabricated water tank side panel. When the water tank side panel is used, it has insulation and heating functions. The required temperature of the water tank side panel can be flexibly set according to the actual use scenario, which helps to further improve the flexibility and applicability of the prefabricated side panel of this utility model.

[0020] 3. When the prefabricated side panels of this utility model are assembled into prefabricated water tank side panels on the construction site, two adjacent prefabricated side panels are fixedly connected together by steel bar connectors one and two exposed on the vertical surfaces of the opposite sides. This ensures the overall structural strength of the prefabricated water tank and helps to reduce the construction difficulty and extend the service life of the prefabricated water tank.

[0021] 4. Several waterstop plates are provided at intervals on the screw of the tensioning connector. The waterstop plates improve the pre-embedded casting firmness of the tensioning connector in the precast concrete slab one and precast concrete slab two, and ensure the sealing and leak-proof performance of the precast side plate of the water tank at the location of the tensioning connector.

[0022] 5. The upper end of the screw is also provided with a shoulder, and the lower end face of the second waterstop plate abuts against the shoulder at the upper end of the screw. The shoulder at the upper end of the screw plays a limiting role in the second waterstop plate, effectively preventing it from falling after the insulation layer is laid, and avoiding localized drop of the insulation layer.

[0023] 6. The present invention provides a prefabricated water tank with heat insulation function on the side panels, thus eliminating the need for secondary insulation structures on the outside of the side panels. It is also suitable for northern regions with low winter temperatures and is economical and practical.

[0024] 7. In a prefabricated water tank of this utility model, when the prefabricated side panels of the water tank are spliced ​​together to form the water tank side panels, two adjacent prefabricated side panels are welded and fixed together by steel bar connectors on their opposite sides. Concrete is poured into the longitudinal cavity formed by splicing two adjacent prefabricated side panels and a set of clamping channel steel, as well as into the pouring cavity on the prefabricated side panels of the water tank, to ensure that the water tank side panels have good overall firmness, high structural strength, and good sealing and leak-proof performance. Attached Figure Description

[0025] Figure 1 This is a view of one end of a precast side panel of a water tank with heat preservation function during casting in Example 1;

[0026] Figure 2 yes Figure 1 A magnified view of a section at point H in the middle;

[0027] Figure 3 This is a rear view of a prefabricated side panel of a water tank with heat preservation function after it has been verticalized in Embodiment 1;

[0028] Figure 4 This is a left view of a prefabricated side panel of a water tank with heat preservation function after it has been verticalized in Example 1.

[0029] In the diagram: 1. Precast concrete slab one; 2. Reinforcing cage; 3. Insulation layer; 4. Precast concrete slab two; 5. Tensioner connector; 6. Reinforcing bar connector one; 7. Reinforcing bar connector two; 8. N-shaped hanger; 5-1. Screw rod; 5-2. Waterstop plate one; 5-3. Waterstop plate two; 5-4. Waterstop plate three; A. Horizontal transverse reinforcing bar one; B. Horizontal longitudinal reinforcing bar two; C. Internal tie bar. Detailed Implementation

[0030] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.

[0031] Example 1

[0032] like Figures 1-4 As shown, a precast side panel for a water tank with heat insulation function includes a flat steel cage 2, a precast concrete slab 1 cast on the lower side of the steel cage 2, an insulation layer 3 laid on the upper side of the steel cage 2, a precast concrete slab 4 cast on the upper side of the insulation layer 3, and a number of tensioning connectors 5 spaced apart and longitudinally penetrating the insulation layer 3. The lower end of the tensioning connector 5 is cast inside the precast concrete slab 1, and the upper end of the tensioning connector 5 is cast inside the precast concrete slab 4. A casting cavity is formed between the insulation layer 3 and the precast concrete slab 1.

[0033] Preferably, the reinforcing bars on the reinforcing cage 2 extend out to their left and right sides to form a reinforcing bar connector 6, and the reinforcing bars on the reinforcing mesh embedded inside the precast concrete slab 4 extend out to their left and right sides to form a reinforcing bar connector 7.

[0034] More preferably, the steel cage 2 is made of several horizontal transverse steel bars A, several horizontal longitudinal steel bars B and several internal tie bars C tied together, and the steel mesh embedded in the precast concrete slab 4 is made of several horizontal transverse steel bars A and several horizontal longitudinal steel bars B tied together.

[0035] More preferably, the internal tie bar C is a stirrup.

[0036] Preferably, the tensioning connector 5 includes a screw 5-1, with a waterstop plate 5-2 vertically fixed at the lower end of the screw 5-1, and a waterstop plate 5-3 located on the lower side and a waterstop plate 5-4 located on the upper side spaced apart at the upper end of the screw 5-1. The waterstop plate 5-2 is pre-embedded and cast inside the precast concrete slab 1, and the insulation layer 3 is sandwiched between the waterstop plate 5-3 and the waterstop plate 5-4.

[0037] More preferably, the upper end of the screw 5-1 is also provided with a shoulder, and the lower end face of the waterstop plate 5-3 abuts against the shoulder at the upper end of the screw 5-1.

[0038] Preferably, it also includes a number of n-shaped hangers 8 spaced apart along the width direction of the precast side plate of the pool. The two arms of the n-shaped hangers 8 are inserted and fixed inside the steel cage 2 from the front side, and the top of the n-shaped hangers 8 is exposed outside the front face of the casting cavity. One arm of the n-shaped hangers 8 is pre-embedded and cast inside the precast concrete slab 1.

[0039] Example 2

[0040] The difference between a prefabricated side panel for a water tank with heat preservation function and a prefabricated side panel for a water tank with heat preservation function in Embodiment 1 is that: a heating element is provided on the upper side or inside of the heat preservation layer 3, and a power connection assembly electrically connected to the heating element is reserved on the outside of the prefabricated side panel for the water tank.

[0041] The manufacturing principle of the prefabricated side panel of the water tank with heat preservation function in Example 1 or Example 2:

[0042] Step 1: Prepare the reinforcing cage 2 and the reinforcing mesh embedded inside the precast concrete slab 2 4 according to certain dimensions;

[0043] Step 2: Formwork erection. The prepared steel cage 2 is laid in the formwork cavity. The screws 5-1 on several tension connectors 5 are inserted at intervals into the steel cage 2, and the waterstop 5-2 is located at the bottom. Several n-shaped hangers 8 are inserted from the front and welded to the inside of the steel cage 2, with the top of the n-shaped hangers 8 exposed outside the front face of the pouring cavity. The lower arm of the n-shaped hangers 8 is inserted and welded to the lower side of the steel cage 2, so that the lower arm of the n-shaped hangers 8 is pre-embedded and poured into the precast concrete slab 1.

[0044] Step 3: Pour a certain thickness of concrete slurry into the mold cavity, and after curing, form a precast concrete slab 1;

[0045] Step 4: Fit a waterstop plate 2 5-3 onto the shoulder of the upper end of each of the screws 5-1. Then, place the insulation layer 3 onto the upper end of the screws 5-1 through the pre-drilled mounting holes. Fit a waterstop plate 3 5-4 onto the upper end of each screw 5-1, so that the insulation layer 3 is sandwiched between the waterstop plate 2 5-3 and the waterstop plate 3 5-4.

[0046] Step 5: Pour concrete slurry into the mold cavity located on the upper side of the insulation layer 3. After curing, precast concrete slab 4 is formed. Demolding and curing are then performed to form the precast side panel of the water tank of this utility model (see appendix). Figure 1 ).

[0047] Heating elements can also be threaded inside the insulation layer 3; for insulation layer 3 without heating elements threaded inside, heating elements can also be laid on the upper side of the insulation layer 3 sleeved on the upper end of the screw 5-1 in step 4; and power connectors such as wires and quick connectors that are electrically connected to the heating elements are reserved outside the formwork.

[0048] This utility model discloses a precast side panel for a water tank with thermal insulation function. During the fabrication of the precast side panel, a pre-fabricated steel cage is placed in the mold cavity of the formwork. Several tensioning connectors are then inserted and interlocked on the steel cage before pouring the first precast concrete slab. Subsequently, an insulation layer is laid on the upper side of the steel cage before pouring the second precast concrete slab. This simplifies construction. After the first precast concrete slab is cast, there is no need to flip the steel cage before laying the insulation layer and pouring the second precast concrete slab. The pouring cycle of the precast side panel is short and efficient. The insulation layer is integrally cast inside the precast side panel, resulting in a water tank with excellent thermal insulation performance, achieving a lifespan equal to that of the insulation and the structure. The precast side panel of this utility model has an internal pouring cavity, significantly reducing the weight compared to a precast side panel with an integrated structure of the same size, thus significantly reducing the difficulty of lifting and transporting the precast side panel.

[0049] Example 3

[0050] A prefabricated water tank includes a side panel, which is formed by splicing together several prefabricated side panels as described in Embodiment 1 or Embodiment 2.

[0051] Preferably, when several prefabricated side panels of the water tank are spliced ​​together to form a water tank side panel, two adjacent prefabricated side panels are fixedly connected together by welding steel bar connector 1 6 and steel bar connector 2 7 on opposite sides. A set of clamping channel steel is laid on the inner and outer sides of the joint of two adjacent prefabricated side panels. The set of clamping channel steel is fixedly connected together by locking bolt assemblies that pass through the corresponding mounting holes on the two. Concrete is poured into the longitudinal cavity formed by splicing two adjacent prefabricated side panels and a set of clamping channel steel, as well as into the pouring cavity on the prefabricated side panel of the water tank.

[0052] This utility model discloses a prefabricated water tank with heat insulation function on the side panels, thus eliminating the need for secondary insulation structures on the outside of the side panels. It is also suitable for northern regions with low winter temperatures, and is economical and practical.

[0053] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A prefabricated side panel for a water tank with heat insulation function, characterized in that, The system includes a flat steel cage (2), a precast concrete slab (1) is poured on the lower side of the steel cage (2), an insulation layer (3) is laid on the upper side of the steel cage (2), a precast concrete slab (4) is poured on the upper side of the insulation layer (3), and a number of tensioning connectors (5) spaced apart and longitudinally penetrating the insulation layer (3). The lower end of the tensioning connector (5) is poured into the interior of the precast concrete slab (1), and the upper end of the tensioning connector (5) is poured into the interior of the precast concrete slab (4). A pouring cavity is formed between the insulation layer (3) and the precast concrete slab (1).

2. The prefabricated side panel of the water tank as described in claim 1, characterized in that, Heating elements are provided on the upper side or inside of the insulation layer (3), and a power connection assembly electrically connected to the heating elements is reserved outside the prefabricated side plate of the water tank.

3. The prefabricated side panel of the water tank as described in claim 1, characterized in that, The steel bars on the steel cage (2) extend out to their left and right sides to form a steel bar connector (6), and the steel bars on the steel mesh embedded in the precast concrete slab (4) extend out to their left and right sides to form a steel bar connector (7).

4. The prefabricated side panel of the water tank as described in claim 3, characterized in that, The steel cage (2) is made of several horizontal transverse steel bars (A), several horizontal longitudinal steel bars (B) and several internal tie bars (C) tied together. The steel mesh embedded in the precast concrete slab (4) is made of several horizontal transverse steel bars (A) and several horizontal longitudinal steel bars (B) tied together.

5. The prefabricated side panel of the water tank as described in claim 4, characterized in that, The internal tie bar (C) mentioned above is a stirrup.

6. The prefabricated side panel of the water tank as described in claim 1, characterized in that, The tensioning connector (5) includes a screw (5-1), with a waterstop plate 1 (5-2) vertically fixed at the lower end of the screw (5-1), and a waterstop plate 2 (5-3) located on the lower side and a waterstop plate 3 (5-4) located on the upper side spaced apart at the upper end of the screw (5-1). The waterstop plate 1 (5-2) is pre-embedded and cast inside the precast concrete slab 1 (1), and the insulation layer (3) is sandwiched between the waterstop plate 2 (5-3) and the waterstop plate 3 (5-4).

7. The prefabricated side panel of the water tank as described in claim 6, characterized in that, The upper end of the screw (5-1) is also provided with a shoulder, and the lower end face of the second waterstop plate (5-3) abuts against the shoulder at the upper end of the screw (5-1).

8. The prefabricated side panel of the water tank as described in claim 1, characterized in that, It also includes several n-shaped hangers (8) spaced apart along the width direction of the precast side plate of the pool. The two arms of the n-shaped hangers (8) are inserted and fixed inside the steel cage (2) from the front side, and the top of the n-shaped hangers (8) is exposed outside the front face of the casting cavity. One arm of the n-shaped hangers (8) is pre-embedded and cast inside the precast concrete slab (1).

9. A prefabricated water tank, comprising tank side panels, characterized in that, The water tank side panel is formed by splicing together several prefabricated water tank side panels as described in any one of claims 1 to 8.

10. The prefabricated water tank as described in claim 9, characterized in that, When the prefabricated side panels of the water tank are spliced ​​together to form a water tank side panel, two adjacent prefabricated side panels are welded and fixed together by steel bar connector one (6) and steel bar connector two (7) on opposite sides. A set of clamping channel steel is laid on the inner and outer sides of the joint of the two adjacent prefabricated side panels. The set of clamping channel steel is fixed together by locking bolt assembly that passes through the corresponding mounting holes on the two. Concrete is poured together in the longitudinal cavity formed by splicing and enclosing the two adjacent prefabricated side panels and the set of clamping channel steel, as well as in the pouring cavity on the prefabricated side panel of the water tank.

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