Mass concrete structure and construction method thereof

Abstract

The invention discloses a mass concrete structure and a construction method thereof, and relates to the field of mass concrete structures, the mass concrete structure comprises a mass precast slab, the mass precast slab comprises a main reinforcement frame, a pre-buried frame and a concrete large plate, the two ends of the main reinforcement frame extend out of the two sides of the concrete large plate, and the pre-buried frame extends out of the main reinforcement frame; the embedded frame extends out of the lower end of the concrete large plate, right-angle bases are installed at the two ends of the large-size prefabricated plate, and the right-angle bases are fixedly connected with the large-size prefabricated plate. Through the synergistic effect of the main steel bar frame, the embedded frame, the right-angle seat, the vertical panel, the base table, the reinforcing support, the rod bracket and other components, a stable structural system is formed, loads can be effectively dispersed and borne, deformation and displacement of the structure are reduced, and the stability of the structure is improved. The vertical panel is stably and vertically supported and used through bolt locking and mutual supporting of the base table and the vertical panel.

Description

Technical Field

[0001] This invention relates to the field of large-volume concrete structure technology, specifically to a large-volume concrete structure and its construction method. Background Technology

[0002] With the booming development of modern large-scale construction projects, extremely stringent requirements have been placed on the stability, load-bearing capacity, economy, and practicality of building structures. As a core component of many large-scale buildings, the performance of large-volume concrete structures directly affects the quality and safety of the entire building.

[0003] Traditional large-volume concrete structures, when subjected to loads, often suffer from significant deformation and displacement due to inadequate structural design, making them susceptible to problems such as cracking and subsidence shortly after commissioning. For example, some early large commercial buildings experienced cracking and subsidence of their large-volume concrete structures shortly after being put into use, severely impacting their usability and safety. This is primarily because traditional structures lack effective coordination between components, failing to form a highly efficient and stable overall structural system.

[0004] Furthermore, deformation is a particularly prominent issue for large-volume precast slabs, a key component, during actual use. Traditional large-volume precast slabs have an unreasonable internal steel reinforcement structure design and lack effective measures to enhance their strength. When faced with significant weight and external forces, they are prone to bending, twisting, and other deformations. Summary of the Invention

[0005] To achieve easy installation and safe use of large-volume precast slabs, this application provides a large-volume concrete structure and its construction method.

[0006] This invention is implemented as follows:

[0007] A large-volume concrete structure and its construction method are disclosed, comprising a large-volume precast slab. The large-volume precast slab includes a main reinforcing steel frame, an embedded frame, and a large concrete slab. The two ends of the main reinforcing steel frame extend from both sides of the large concrete slab, and the embedded frame extends from the lower end of the large concrete slab. Right-angle seats are installed at both ends of the large-volume precast slab, and the right-angle seats are fixedly connected to the large-volume precast slab. A vertical panel is installed at the lower end of the right-angle seats, and the upper end of the vertical panel is fixedly connected to the right-angle seats. A base platform is also fixedly installed at the lower end of the vertical panel. A reinforcing support is provided at the center of the lower end face of the large-volume precast slab. The reinforcing support is fixedly connected to the embedded frame, and a rod support is fixedly installed at the lower end of the reinforcing support.

[0008] By adopting the above technical solution, this large-volume concrete structure is composed of a main steel reinforcement frame, embedded frames, and large concrete slabs to form a large-volume precast slab. The two ends of the main steel reinforcement frame extend outwards to facilitate connection with other components, enhancing the overall integrity of the structure. The right-angle base, vertical panel, and base platform provide a stable support structure for the large-volume precast slab. The reinforced supports and rod supports further improve the stability and load-bearing capacity of the large-volume precast slab, enabling the entire structure to withstand greater loads and reducing the risk of deformation and damage. By installing right-angle bases at both ends of the large-volume precast slab, one end of the right-angle base can be connected to the extended part of the main steel reinforcement frame during construction, and the other end of the right-angle base can be fixed to the vertical panel. This ensures that the vertical panel can stably support the large-volume precast slab. Furthermore, by fixing the base platform at the lower end of the vertical panel, it is convenient to use the vertical panel for stable support, thereby ensuring that the vertical panel can be stably and vertically supported.

[0009] Furthermore, the embedded frame includes a bending plate and a connecting plate. The bending plate is configured in two sets, which are symmetrically arranged on both sides of the lower end face of the concrete slab. The upper part of the bending plate is fixed in the concrete slab. The connecting plate is installed between the two sets of bending plates, and both ends of the connecting plate are fixedly connected to the bending plate. The upper part of the connecting plate is also fixed in the concrete slab.

[0010] By adopting the above technical solution, the design of the bent plate and connecting plate of the embedded frame increases the structural strength and stability of the lower end of the large concrete slab. The two sets of bent plates are symmetrically arranged and connected to the connecting plate to form a stable frame structure, which can better distribute the load borne by the large-volume precast slab and improve the structure's load-bearing capacity and deformation resistance.

[0011] Furthermore, an equipment middle plate is installed in the middle of the lower end face of the concrete slab, and several reinforcing side plates are symmetrically installed on both sides of the equipment middle plate. The reinforcing side plates are integrally formed with the equipment middle plate. The upper ends of the reinforcing side plates and the equipment middle plate are both fixed in the concrete slab, and the upper ends of the reinforcing side plates and the equipment middle plate are both welded and fixed to the main steel reinforcement frame.

[0012] By adopting the above technical solution, the installation of the equipment's central plate and reinforced side plates not only enhances the structural strength of the central part of the large concrete slab but also further improves the overall structural stability of the large-volume precast slab through welding and fixing with the main steel reinforcement frame. The reinforced side plates are integrally formed with the central plate, making the structure more robust and better able to resist external forces. Furthermore, the central plate facilitates connection and coordination with the reinforcement supports, ensuring better support for the large concrete slab and preventing downward bending deformation due to gravity.

[0013] Furthermore, the right-angle seat includes a horizontal seat plate, an arc-shaped seat plate, and a longitudinal seat plate. The horizontal and longitudinal seat plates are located at both ends of the arc-shaped seat plate, and the horizontal, arc-shaped, and longitudinal seat plates are integrally formed. Each of the horizontal and longitudinal seat plates has a multi-tube seat that mates with the extended portions at both ends of the main steel reinforcement frame. The multi-tube seat includes a pre-embedded seat plate and a matching sleeve. The matching sleeve is evenly installed on one side of the pre-embedded seat plate and is fixedly connected to the pre-embedded seat plate.

[0014] By adopting the above technical solution, the horizontal, curved, and longitudinal seats of the right-angle bracket are integrally formed, resulting in a robust structure. The rounded corners further reduce the risk of damage during transportation or installation. Furthermore, by pre-embedding multi-tube seats at both ends of the right-angle bracket, the strength of the bracket is increased, and it facilitates connection with large-volume precast slabs and vertical panels. The multi-tube seats are designed with pre-embedded seats and matching sleeves, ensuring that the sleeves can be interconnected via the pre-embedded seats. This provides mutual support during use, increasing the strength of the sleeves. During installation, it facilitates the insertion and fixing of the protruding parts at both ends of the main reinforcing steel frame, enhancing the connection between the large-volume precast slab and the right-angle bracket, ensuring structural stability under stress, and reducing loosening and damage at the connection points.

[0015] Furthermore, the vertical panel includes a concrete vertical slab and a secondary steel reinforcement frame and a metal support frame pre-embedded and fixed in the concrete vertical slab. The upper end of the secondary steel reinforcement frame extends from the upper end face of the concrete vertical slab, and the lower end of the metal support frame extends from the lower end face of the concrete vertical slab. A second bent plate corresponding to the first bent plate is provided on one side of the concrete vertical slab near the upper end, and the first bent plate and the second bent plate are connected by an inner corner bracket. The metal support frame includes a vertical plate and a connecting horizontal plate. The upper end of the vertical plate is fixedly installed in the concrete vertical slab, and the connecting horizontal plate is installed on the lower end face of the vertical plate, and the connecting horizontal plate is integrally formed with the vertical plate.

[0016] By adopting the above technical solutions, the secondary steel reinforcement frame and metal support frame in the vertical panel enhance the structural strength and load-bearing capacity of the vertical panel. During the production of the vertical panel, the secondary steel reinforcement frame and metal support frame are placed in the corresponding positions on the formwork, and then cast with concrete. This increases the strength of the vertical panel through the metal structure of the secondary steel reinforcement frame and metal support frame, and also facilitates the connection with the right-angle base and base platform respectively through the secondary steel reinforcement frame and metal support frame. The second bent plate is connected to the first bent plate through the inner corner frame, making the connection between the large-volume precast slab and the vertical panel tighter and more stable, improving the integrity and stability of the entire structure. The design of the metal support frame facilitates the connection between the vertical panel and the base platform.

[0017] Furthermore, the inner corner frame includes an angle plate, a limiting strip, and a connecting angle plate. The two ends of the angle plate are respectively inserted into the first bending plate and the second bending plate. The limiting strip is installed on the outer surface of both ends of the angle plate and is integrally formed with the angle plate. The connecting angle plate is evenly installed in the middle of the inner side of the angle plate and is fixedly connected to the angle plate. The lower end surface of the concrete slab and the side surface of the concrete vertical slab are provided with limiting grooves that cooperate with the limiting strip.

[0018] By adopting the above technical solution, the angle plates of the inner corner frame are inserted into the first and second bending plates at both ends. The limiting strip and the limiting slot cooperate to accurately position and fix the inner corner frame, preventing it from shifting under stress. Moreover, by designing the inner corner frame into a structure in which the angle plates, limiting strips, and connecting angle plates cooperate, it is convenient to directly insert it into the first and second bending plates for connection and locking during installation. This not only enables quick assembly and disassembly, but also provides effective support for the inner side of the large-volume precast slab and the vertical panel after the inner corner frame is installed on the first and second bending plates. The setting of the connecting angle plates further enhances the structural strength of the inner corner frame, making the connection between the large-volume precast slab and the vertical panel more secure, and improving the stability and reliability of the structure.

[0019] Furthermore, the base platform includes a main base platform and a top recessed platform. The top recessed platform is installed on the upper end face of the main base platform and is integrally formed with the main base platform. A plurality of connecting bolts connected to the connecting angle plate are evenly arranged on the upper end face of the top recessed platform, and a matching locking nut is installed on the connecting bolt.

[0020] By adopting the above technical solution, the main base and the top recessed platform of the base platform are integrally formed, resulting in a stable structure. It can be directly buried in the designated underground location before construction and installation, facilitating subsequent installation and connection. The use of connecting bolts and lock nuts facilitates the connection and fixation of the connecting corner plates to the base platform, ensuring the entire structure is firmly installed on the base platform. This improves the structure's stability and load-bearing capacity, ensuring that the structure will not loosen or shift during long-term use.

[0021] Furthermore, the reinforcing support includes a base, diagonal bracing plates, and columns. The lower end of the base is symmetrically provided with a concave plate that clamps onto the middle plate of the equipment, and several diagonal rods are also provided on the outer side of the base. The concave plate, diagonal rods, and base are integrally formed. The outer end of the diagonal rods is fixedly installed with a clamping plate seat that is connected to the connecting plate. The clamping plate seat is fixedly connected to the connecting plate by bolts. The diagonal bracing plates are evenly installed on the lower end of the base and are fixedly connected to the base. The columns are fixedly installed on the lower end of the diagonal bracing plates.

[0022] By adopting the above technical solution, the reinforced support plate is clamped onto the middle plate of the equipment by a concave plate. Furthermore, by setting several diagonal braces on the outer surface of the plate, effective support can be provided at different locations of the large-volume precast slab, reducing deformation during use. Simultaneously, the clamping plates at the outer ends of the diagonal braces are fixedly connected to the connecting plates, ensuring a secure connection between the reinforced support and the large-volume precast slab. Therefore, the diagonal bracing plates and columns provide additional support for the large-volume precast slab, further improving the structural stability and load-bearing capacity, and reducing deformation of the large-volume precast slab under stress.

[0023] Furthermore, the pole support includes a base block and a vertical tube for inserting and installing the column. The vertical tube is vertically installed at the center of the upper end face of the base block, and several reinforcing corner plates are also fixedly installed between the vertical tube and the base block.

[0024] By adopting the above technical solution, the vertical tube of the pole support is used for column insertion and installation, and the reinforcing angle plate enhances the connection strength between the vertical tube and the support block, enabling the pole support to stably support the reinforced structure, thereby improving the stability of the entire structure. The support block provides a large support area, ensuring that the structure will not tilt or sway when subjected to loads.

[0025] A construction method for a large-volume concrete structure includes the following steps:

[0026] S1: Fabricate the main steel reinforcement frame according to the design requirements, bend and weld the steel bars to form the required shape and size. Place the main steel reinforcement frame, embedded frame, equipment middle plate and reinforced side plate in the formwork, pour C40 concrete into the formwork, vibrate to compact, and cure to the design strength to form a large concrete slab;

[0027] S2: After welding and fixing the pre-embedded seat plate and matching sleeve of the multi-tube seat, it is pre-embedded into the formed template. Concrete is poured into the template to form the transverse seat plate, arc seat and longitudinal seat plate in one step to obtain the right-angle seat;

[0028] S3: Fabricate the secondary reinforcing steel frame and metal support frame, welding the vertical slab and connecting horizontal slab into the metal support frame. Place the secondary reinforcing steel frame and metal support frame in the formwork, and simultaneously install the second bent plate. Pour C40 concrete into the formwork, vibrate to compact, and cure to the design strength to form a concrete vertical slab;

[0029] S4: The main base platform and the top recessed platform are cast in concrete to form a single piece. Connecting bolts are pre-embedded before casting to ensure that the connecting bolts can protrude from the upper end face of the top recessed platform to form the base platform.

[0030] S5: Insert the extended portions of the main steel reinforcement frames at both ends of the large-volume precast slab into the multi-tube base of the right-angle seat, connect and fix the upper end of the secondary steel reinforcement frame of the vertical panel to the right-angle seat, connect the first bent plate and the second bent plate through the inner corner frame, and finally connect and fix the metal base frame at the lower end of the vertical panel to the top recess of the base platform through connecting bolts and locking nuts.

[0031] Compared with existing technologies, the beneficial effects of this invention are as follows: This application forms a stable structural system through the synergistic action of multiple components such as the main steel reinforcement frame, embedded frame, right-angle base, vertical panel, base platform, reinforcing support, and pole support, which can effectively distribute and bear loads, reduce structural deformation and displacement, and improve structural stability. The bolt locking and mutual support between the base platform and the vertical panel achieve stable vertical support for the vertical panel, which in turn provides stable support for both ends of the large-volume precast slab. Considering the possibility of deformation during use, corresponding main steel reinforcement frames, embedded frames, and right-angle bases are installed in the large-volume precast slab to increase its strength, and reinforcing supports are used for stability. This allows the structure to withstand greater weight and external forces, making it suitable for various large-scale construction projects and meeting different usage requirements. The layout and design of each component fully consider mechanical principles and actual usage needs, ensuring the structure's strength and stability while also possessing good economy and practicality. Attached Figure Description

[0032] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0033] Figure 1 This is a perspective view of the overall structure in an embodiment of the present invention;

[0034] Figure 2 yes Figure 1 A front view of the device shown;

[0035] Figure 3 This is a schematic diagram of the structure of the large-volume precast slab and the reinforcing support in an embodiment of the present invention;

[0036] Figure 4 This is a perspective view of the reinforced support in an embodiment of the present invention;

[0037] Figure 5 yes Figure 4 A front view of the device shown;

[0038] Figure 6This is a perspective view of the large-volume prefabricated slab in an embodiment of the present invention;

[0039] Figure 7 yes Figure 6 A bottom view of the device shown;

[0040] Figure 8 This is a perspective view of the right-angled base in an embodiment of the present invention;

[0041] Figure 9 This is a perspective view of the multi-tube seat in an embodiment of the present invention;

[0042] Figure 10 This is a perspective view of the vertical panel in an embodiment of the present invention;

[0043] Figure 11 yes Figure 10 Side view of the device shown;

[0044] Figure 12 yes Figure 10 Rear view of the device shown;

[0045] Figure 13 This is a perspective view of the inner corner frame in an embodiment of the present invention;

[0046] Figure 14 This is a perspective view of the base platform in an embodiment of the present invention;

[0047] Figure 15 yes Figure 14 Front view of the device shown.

[0048] In the diagram: 1. Large-volume precast slab; 11. Main reinforcing steel frame; 12. Embedded frame; 121. Bending plate one; 122. Connecting plate; 13. Large concrete slab; 131. Limiting slot; 14. Equipment middle plate; 141. Reinforced side plate; 2. Right-angle seat; 21. Horizontal seat plate; 22. Arc-shaped seat plate; 23. Longitudinal seat plate; 24. Multi-tube seat; 241. Embedded seat plate; 242. Matching sleeve; 3. Vertical panel; 31. Concrete vertical slab; 311. Bending plate two; 32. Secondary reinforcing steel frame; 33. Metal frame; 331, upright plate; 332, connecting horizontal plate; 34, inner corner frame; 341, angle plate; 342, limiting strip; 343, connecting corner plate; 4, base platform; 41, main base platform; 42, top recessed platform; 421, connecting bolt; 422, locking nut; 5, reinforcing support; 51, disc base; 511, lower recessed plate; 512, diagonal bar; 513, clamping plate base; 52, diagonal brace plate; 53, column; 6, pole support base; 61, seat block; 611, reinforcing corner plate; 62, vertical tube. Detailed Implementation

[0049] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0050] Example 1

[0051] Reference Figure 1 , Figure 2 and Figure 3 As shown, a large-volume concrete structure includes a large-volume precast slab 1. The large-volume precast slab 1 includes a main steel reinforcement frame 11, an embedded frame 12, and a large concrete slab 13. The two ends of the main steel reinforcement frame 11 extend from both sides of the large concrete slab 13. The main steel reinforcement frame 11 can be made of HRB-grade hot-rolled ribbed steel bars, which have high strength and good toughness, and can meet the load-bearing requirements of the structure. The embedded frame 12 extends from the lower end of the large concrete slab 13. Right-angle seats 2 are installed at both ends of the large-volume precast slab 1. The right-angle seats 2 are fixedly connected to the large-volume precast slab 1, and a vertical panel 3 is vertically installed at the lower end of the right-angle seats 2. The upper end of the vertical panel 3 is fixedly connected to the right-angle seats 2, and a base platform 4 is also fixedly installed at the lower end of the vertical panel 3. A reinforcing support 5 is provided at the center of the lower end face of the large-volume precast slab 1. The reinforcing support 5 is fixedly connected to the embedded frame 12, and a rod support 6 is fixedly installed at the lower end of the reinforcing support 5. The large-volume concrete structure comprises a main steel reinforcement frame 11, an embedded frame 12, and a large concrete slab 13, forming a large-volume precast slab 1. The main steel reinforcement frame 11 extends at both ends for easy connection with other components, enhancing the overall structural integrity. The right-angle base 2, the vertical panel 3, and the base platform 4 provide a stable support structure for the large-volume precast slab 1. The reinforced support 5 and the rod support 6 further improve the stability and load-bearing capacity of the large-volume precast slab 1, enabling the entire structure to withstand greater loads and reducing the risk of deformation and damage. By installing right-angle bases 2 at both ends of the large-volume precast slab 1, one end of the right-angle base 2 can be connected to the extended portion of the main steel reinforcement frame 11 during construction, and the other end of the right-angle base 2 can be fixed to the vertical panel 3. This ensures that the vertical panel 3 can stably support the large-volume precast slab 1. Furthermore, by fixing the base platform 4 to the lower end of the vertical panel 3, it can stably support the vertical panel 3 during use, ensuring stable vertical support for the vertical panel 3.

[0052] Reference Figure 6 and Figure 7As shown, the embedded frame 12 includes a bent plate 121 and a connecting plate 122. Two sets of bent plates 121 are symmetrically arranged on both sides of the lower end face of the concrete slab 13. The upper parts of the bent plates 121 are fixed within the concrete slab 13. The connecting plate 122 is installed between the two sets of bent plates 121, and both ends of the connecting plate 122 are fixedly connected to the bent plates 121. The upper part of the connecting plate 122 is also fixed within the concrete slab 13. The design of the bent plates 121 and connecting plate 122 in the embedded frame 12 increases the structural strength and stability of the lower end of the concrete slab 13. The symmetrical arrangement of the two sets of bent plates 121 and their connection to the connecting plate 122 forms a stable frame structure, which can better distribute the load borne by the large-volume precast slab 1, improving the structure's load-bearing capacity and deformation resistance. Both the bending plate 121 and the connecting plate 122 are made of QB steel, which has good welding and processing performance and can meet the manufacturing requirements of the structure.

[0053] Reference Figure 8 and Figure 9 As shown, the right-angle seat 2 includes a transverse seat plate 21, an arc-shaped seat plate 22, and a longitudinal seat plate 23. The transverse seat plate 21 and the longitudinal seat plate 23 are located at both ends of the arc-shaped seat plate 22, and are integrally formed. Multi-tube seats 24, which mate with the protruding portions at both ends of the main reinforcing steel frame 11, are pre-embedded and fixed in both the transverse seat plate 21 and the longitudinal seat plate 23. Each multi-tube seat 24 includes a pre-embedded seat plate 241 and a matching sleeve 242. The matching sleeves 242 are evenly installed on one side of the pre-embedded seat plate 241 and are fixedly connected to the pre-embedded seat plate 241. The transverse seat plate 21, arc-shaped seat plate 22, and longitudinal seat plate 23 of the right-angle seat 2 are integrally formed, resulting in a robust structure. Furthermore, the use of an arc-shaped rounded corner structure reduces the risk of damage during transportation or installation. Furthermore, by pre-embedding multi-tube seats 24 at both ends of the right-angle seat 2, the strength of the right-angle seat 2 can be increased, and it is also convenient to connect the multi-tube seats 24 with the large-volume precast slab 1 and the vertical panel 3. By designing the multi-tube seats 24 as a structure in which the pre-embedded seat plate 241 and the matching sleeve 242 are matched, it is ensured that the matching sleeves 242 can be connected to each other through the pre-embedded seat plate 241. This ensures that the matching sleeves 242 can support each other during use, increasing the strength of the matching sleeves 242. During installation, it is convenient to insert and fix the protruding parts at both ends of the main steel frame 11, which enhances the connection between the large-volume precast slab 1 and the right-angle seat 2, ensuring that the structure can remain stable under stress and reducing loosening and damage at the connection points.

[0054] Reference Figure 10 , Figure 11 and Figure 12As shown, the vertical panel 3 includes a concrete vertical slab 31 and a secondary steel reinforcement frame 32 and a metal support frame 33 pre-embedded and fixed in the concrete vertical slab 31. The upper end of the secondary steel reinforcement frame 32 extends from the upper end face of the concrete vertical slab 31, and the lower end of the metal support frame 33 extends from the lower end face of the concrete vertical slab 31. A second bent plate 311 corresponding to the first bent plate 121 is provided on one side of the concrete vertical slab 31 near the upper end. The first bent plate 121 and the second bent plate 311 are connected by an inner corner bracket 34. The metal support frame 33 includes a vertical plate 331 and a connecting horizontal plate 332. The upper end of the vertical plate 331 is fixedly installed in the concrete vertical slab 31, and the connecting horizontal plate 332 is installed on the lower end face of the vertical plate 331. The connecting horizontal plate 332 and the vertical plate 331 are integrally formed. The secondary steel reinforcement frame 32 and metal support frame 33 in the vertical panel 3 enhance the structural strength and load-bearing capacity of the vertical panel 3. During the production of the vertical panel 3, the secondary steel reinforcement frame 32 and metal support frame 33 are placed in the corresponding positions on the formwork, and then cast with concrete. This increases the strength of the vertical panel 3 through the metal structure of the secondary steel reinforcement frame 32 and metal support frame 33, and also facilitates the connection between the secondary steel reinforcement frame 32 and metal support frame 33 and the right-angle base 2 and the base platform 4, respectively. The bent plate 2 311 and the bent plate 1 121 are connected by the inner corner frame 34, making the connection between the large-volume precast slab 1 and the vertical panel 3 tighter and more stable, improving the overall integrity and stability of the structure. The design of the metal support frame 33 facilitates the connection between the vertical panel 3 and the base platform 4. The secondary steel reinforcement frame 32 can also be made of HRB grade hot-rolled ribbed steel bars, which have high strength and good toughness, and can meet the load-bearing requirements of the structure.

[0055] Reference Figure 14 and Figure 15 As shown, the base platform 4 includes a main base platform 41 and a top recessed platform 42. The top recessed platform 42 is installed on the upper end face of the main base platform 41 and is integrally formed with the main base platform 41. A plurality of connecting bolts 421, which connect to the connecting angle plate 343, are evenly arranged on the upper end face of the top recessed platform 42. Matching locking nuts 422 are installed on the connecting bolts 421. The main base platform 41 and the top recessed platform 42 of the base platform 4 are integrally formed, resulting in a stable structure. It can be directly buried in a designated underground location before construction and installation, facilitating subsequent direct installation and connection. The connecting bolts 421 and locking nuts 422 facilitate the connection and fixation of the connecting angle plate 343 to the base platform 4, ensuring the entire structure is firmly installed on the base platform 4. This improves the stability and load-bearing capacity of the structure, ensuring that it will not loosen or shift during long-term use.

[0056] Example 2

[0057] Reference Figure 1 , Figure 2 and Figure 13As shown, a large-volume concrete structure includes a large-volume precast slab 1. The large-volume precast slab 1 includes a main steel reinforcement frame 11, an embedded frame 12, and a large concrete slab 13. The two ends of the main steel reinforcement frame 11 extend from both sides of the large concrete slab 13, and the embedded frame 12 extends from the lower end of the large concrete slab 13. The embedded frame 12 includes a bent plate 121 and a connecting plate 122. The bent plate 121 is configured in two sets, and the two sets of bent plates 121 are symmetrically arranged on both sides of the lower end face of the large concrete slab 13. The upper part of the bent plate 121 is fixed in the large concrete slab 13. The connecting plate 122 is installed between the two sets of bent plates 121, and the two ends of the connecting plate 122 are fixedly connected to the bent plate 121. The upper part of the connecting plate 122 is also fixed in the large concrete slab 13. The vertical panel 3 includes a concrete vertical slab 31 and a secondary steel reinforcement frame 32 and a metal support frame 33 pre-embedded and fixed in the concrete vertical slab 31. The upper end of the secondary steel reinforcement frame 32 extends from the upper end face of the concrete vertical slab 31, and the lower end of the metal support frame 33 extends from the lower end face of the concrete vertical slab 31. A second bent plate 311 corresponding to the first bent plate 121 is provided on one side of the concrete vertical slab 31 near the upper end, and the first bent plate 121 and the second bent plate 311 are connected by an inner corner bracket 34.

[0058] Reference Figure 2 and Figure 13As shown, the inner corner bracket 34 includes an angle plate 341, a limiting strip 342, and a connecting angle plate 343. The two ends of the angle plate 341 are respectively inserted into the first bent plate 121 and the second bent plate 311. The limiting strip 342 is installed on the outer surfaces of both ends of the angle plate 341 and is integrally formed with the angle plate 341. The connecting angle plate 343 is evenly installed in the middle of the inner surface of the angle plate 341 and is fixedly connected to the angle plate 341. Limiting slots 131 that cooperate with the limiting strip 342 are provided on the lower end surface of the concrete slab 13 and the side surface of the concrete vertical slab 31. The angle plate 341 of the inner corner bracket 34 is inserted into the first bent plate 121 and the second bent plate 311 at both ends, and the limiting strip 342 cooperates with the limiting slots 131, which can accurately position and fix the inner corner bracket 34, preventing it from shifting under stress. Furthermore, by designing the inner corner bracket 34 as a structure in which angle plate 341, limiting strip 342, and connecting corner plate 343 cooperate, it is convenient to directly insert it into the bending plate 121 and bending plate 211 for connection and locking during installation. This not only enables quick assembly and disassembly, but also provides effective support for the inner side of the large-volume precast slab 1 and the vertical panel 3 after the inner corner bracket 34 is installed on the bending plate 121 and bending plate 211. The connecting corner plate 343 further enhances the structural strength of the inner corner bracket 34, making the connection between the large-volume precast slab 1 and the vertical panel 3 more secure, thus improving the stability and reliability of the structure. The angle plate 341, limiting strip 342, and connecting corner plate 343 are all made of QB steel, which has good welding and processing performance and can meet the manufacturing requirements of the structure.

[0059] Example 3

[0060] Reference Figure 1 , Figure 2 and Figure 6 As shown, a large-volume concrete structure includes a large-volume precast slab 1. The large-volume precast slab 1 includes a main steel reinforcement frame 11, an embedded frame 12, and a large concrete slab 13. The two ends of the main steel reinforcement frame 11 extend from both sides of the large concrete slab 13. The main steel reinforcement frame 11 can be made of HRB-grade hot-rolled ribbed steel bars, which have high strength and good toughness, and can meet the load-bearing requirements of the structure. The embedded frame 12 extends from the lower end of the large concrete slab 13. Right-angle seats 2 are installed at both ends of the large-volume precast slab 1. The right-angle seats 2 are fixedly connected to the large-volume precast slab 1, and a vertical panel 3 is vertically installed at the lower end of the right-angle seats 2. The upper end of the vertical panel 3 is fixedly connected to the right-angle seats 2, and a base platform 4 is also fixedly installed at the lower end of the vertical panel 3. A reinforcing support 5 is provided at the center of the lower end face of the large-volume precast slab 1. The reinforcing support 5 is fixedly connected to the embedded frame 12, and a rod support 6 is fixedly installed at the lower end of the reinforcing support 5.

[0061] Reference Figure 6 and Figure 7As shown, a middle equipment plate 14 is installed in the middle of the lower end face of the large concrete slab 13. Several reinforcing side plates 141 are symmetrically installed on both sides of the middle equipment plate 14. The reinforcing side plates 141 are integrally formed with the middle equipment plate 14. The upper parts of both the reinforcing side plates 141 and the middle equipment plate 14 are fixed in the large concrete slab 13, and the upper ends of both are welded to the main steel reinforcement frame 11. The installation of the middle equipment plate 14 and the reinforcing side plates 141 not only enhances the structural strength of the middle part of the large concrete slab 13, but also further improves the overall structural stability of the large-volume precast slab 1 through welding and fixing to the main steel reinforcement frame 11. The reinforced side plate 141 is integrally formed with the middle plate 14 of the equipment, making the structure more robust and able to better resist the action of external forces. Moreover, the middle plate 14 of the equipment is designed to facilitate the connection with the reinforced support 5, ensuring that the reinforced support 5 supports the middle plate 14 of the equipment to better support the concrete slab 13 and prevent the concrete slab 13 from bending and deforming downward due to gravity.

[0062] Reference Figure 3 , Figure 4 and Figure 5 As shown, the reinforcing support 5 includes a base 51, a bracing plate 52, and a column 53. The lower end of the base 51 is symmetrically provided with a recessed plate 511 that is clamped on the middle plate 14 of the equipment. Several diagonal rods 512 are also provided on the outer side of the base 51. The recessed plate 511, the diagonal rods 512, and the base 51 are integrally formed. The outer end of the diagonal rod 512 is fixedly installed with a clamping plate seat 513 that is connected to the connecting plate 122. The clamping plate seat 513 is fixedly connected to the connecting plate 122 by bolts. The bracing plates 52 are evenly installed on the lower end of the base 51 and are fixedly connected to the base 51. The column 53 is fixedly installed on the lower end of the bracing plate 52. The base 51 of the reinforcing support 5 is clamped to the middle plate 14 of the equipment by a concave plate 511. Several diagonal braces 512 are provided on the outer surface of the base 51, effectively supporting different positions of the large-volume precast slab 1 and reducing deformation during use. Simultaneously, the clamping plate 513 at the outer end of the diagonal braces 512 is fixedly connected to the connecting plate 122, ensuring a secure connection between the reinforcing support 5 and the large-volume precast slab 1. Therefore, the diagonal brace 52 and the column 53 provide additional support for the large-volume precast slab 1, further improving the structural stability and load-bearing capacity, and reducing deformation of the large-volume precast slab 1 under stress.

[0063] Reference Figure 1 and Figure 2As shown, the pole support 6 includes a base block 61 and a vertical tube 62 for the insertion and installation of the column 53. The vertical tube 62 is vertically installed at the center of the upper end face of the base block 61, and several reinforcing angle plates 611 are fixedly installed between the vertical tube 62 and the base block 61. The vertical tube 62 of the pole support 6 is for the insertion and installation of the column 53. The reinforcing angle plates 611 enhance the connection strength between the vertical tube 62 and the base block 61, enabling the pole support 6 to stably support the reinforced support 5, thereby improving the stability of the entire structure. The base block 61 provides a large support area, ensuring that the structure will not tilt or sway when subjected to load.

[0064] Working principle: When fabricating the large-volume precast slab 1, firstly, the main steel reinforcement frame 11 is fabricated according to the design requirements. The steel bars are bent and welded to form the required shape and size. Then, the embedded frame 12 is fabricated, and the bent plate 121 and connecting plate 122 are welded and assembled. The main steel reinforcement frame 11 and the embedded frame 12 are placed in the template, and the equipment middle plate 14 and the reinforcing side plate 141 are installed simultaneously. The upper surfaces of the reinforcing side plate 141 and the equipment middle plate 14 are welded and fixed to the main steel reinforcement frame 11. Finally, C40 concrete is poured into the template, vibrated to compact, and cured to the design strength to form the large concrete slab 13. When fabricating the right-angle seat 2, the embedded seat plate 241 of the multi-tube seat 24 and the matching sleeve 242 are welded and fixed and then embedded into the formed template. Then, concrete is poured to form the transverse seat plate 21, the arc seat 22, and the longitudinal seat plate 23 of the right-angle seat 2 in one step. When fabricating the vertical panel 3, firstly, the secondary reinforcing steel frame 32 and the metal support frame 33 are fabricated. The vertical panel 331 and the connecting horizontal plate 332 are welded together to form the metal support frame 33. The secondary reinforcing steel frame 32 and the metal support frame 33 are placed in the formwork, and a bent plate 311 is installed. C40 concrete is poured into the formwork, vibrated to compact, and cured to the design strength to form the concrete vertical panel 31. When fabricating the base platform 4, the main base platform 41 and the top recessed platform 42 are cast in concrete to form a single piece. Before pouring, connecting bolts 421 are pre-embedded to ensure that the connecting bolts 421 can protrude from the upper end face of the top recessed platform 42 for easy subsequent connection.

[0065] After all parts are manufactured, installation can proceed. The extended portions of the main reinforcing steel frames 11 at both ends of the large-volume precast slab 1 are inserted into the multi-tube base 24 of the right-angle base 2, and can be fixed by welding. The upper end of the secondary reinforcing steel frame 32 of the vertical panel 3 is connected and fixed to the right-angle base 2. Simultaneously, the first bent plate 121 and the second bent plate 311 are connected through the inner corner frame 34. The two ends of the angle plate 341 are inserted into the first bent plate 121 and the second bent plate 311, so that the limiting strip 342 is engaged in the limiting slot 131. The metal base frame 33 at the lower end of the vertical panel 3 is connected and fixed to the top recess 42 of the base platform 4 using connecting bolts 421 and locking nuts 422.

[0066] If the size of the large-volume precast slab 1 exceeds the predetermined value, it is necessary to install a reinforcing support 5 to assist in the support and ensure the safety of the large-volume precast slab 1. During installation, the column 53 of the reinforcing support 5 is inserted into the vertical tube 62 of the rod support 6. The upper end of the plate seat 51 of the reinforcing support 5 is clamped to the middle plate 14 of the equipment by the concave plate 511, and the clamping plate seat 513 is fixedly connected to the connecting plate 122 with bolts.

[0067] A construction method for a large-volume concrete structure includes the following steps:

[0068] S1: Fabricate the main steel reinforcement frame according to the design requirements, bend and weld the steel bars to form the required shape and size. Place the main steel reinforcement frame, embedded frame, equipment middle plate and reinforced side plate in the formwork, pour C40 concrete into the formwork, vibrate to compact, and cure to the design strength to form a large concrete slab;

[0069] S2: After welding and fixing the pre-embedded seat plate and matching sleeve of the multi-tube seat, it is pre-embedded into the formed template. Concrete is poured into the template to form the transverse seat plate, arc seat and longitudinal seat plate in one step to obtain the right-angle seat;

[0070] S3: Fabricate the secondary reinforcing steel frame and metal support frame, welding the vertical slab and connecting horizontal slab into the metal support frame. Place the secondary reinforcing steel frame and metal support frame in the formwork, and simultaneously install the second bent plate. Pour C40 concrete into the formwork, vibrate to compact, and cure to the design strength to form a concrete vertical slab;

[0071] S4: The main base platform and the top recessed platform are cast in concrete to form a single piece. Connecting bolts are pre-embedded before casting to ensure that the connecting bolts can protrude from the upper end face of the top recessed platform to form the base platform.

[0072] S5: Insert the extended portions of the main steel reinforcement frames at both ends of the large-volume precast slab into the multi-tube base of the right-angle seat, connect and fix the upper end of the secondary steel reinforcement frame of the vertical panel to the right-angle seat, connect the first bent plate and the second bent plate through the inner corner frame, and finally connect and fix the metal base frame at the lower end of the vertical panel to the top recess of the base platform through connecting bolts and locking nuts.

[0073] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A large-volume concrete structure, comprising a large-volume precast slab (1), characterized in that: The large-volume precast slab (1) includes a main steel reinforcement frame (11), an embedded frame (12), and a concrete slab (13). The two ends of the main steel reinforcement frame (11) extend from both sides of the concrete slab (13), and the embedded frame (12) extends from the lower end of the concrete slab (13). Right-angle seats (2) are installed at both ends of the large-volume precast slab (1). The right-angle seats (2) are fixedly connected to the large-volume precast slab (1), and a vertical panel (3) is vertically installed at the lower end of the right-angle seats (2). The upper end of the vertical panel (3) is fixedly connected to the right-angle seats (2), and a base platform (4) is fixedly installed at the lower end of the vertical panel (3). A reinforcing support (5) is provided at the center of the lower end face of the large-volume precast slab (1). The reinforcing support (5) is fixedly connected to the embedded frame (12), and a rod support (6) is fixedly installed at the lower end of the reinforcing support (5).

2. A large-volume concrete structure according to claim 1, characterized in that, The embedded frame (12) includes a bending plate (121) and a connecting plate (122). The bending plate (121) is set in two sets, and the two sets of bending plates (121) are symmetrically arranged on both sides of the lower end face of the concrete slab (13). The upper part of the bending plate (121) is fixed in the concrete slab (13). The connecting plate (122) is installed between the two sets of bending plates (121), and both ends of the connecting plate (122) are fixedly connected to the bending plate (121). The upper part of the connecting plate (122) is also fixed in the concrete slab (13).

3. A large-volume concrete structure according to claim 2, characterized in that, A middle plate (14) is installed in the middle of the lower end face of the concrete slab (13). Several reinforcing side plates (141) are symmetrically installed on both sides of the middle plate (14). The reinforcing side plates (141) are integrally formed with the middle plate (14). The upper ends of the reinforcing side plates (141) and the middle plate (14) are fixed in the concrete slab (13), and the upper ends of the reinforcing side plates (141) and the middle plate (14) are welded and fixed to the main steel reinforcement frame (11).

4. A large-volume concrete structure according to claim 3, characterized in that, The right-angle seat (2) includes a transverse seat plate (21), an arc-shaped seat plate (22), and a longitudinal seat plate (23). The transverse seat plate (21) and the longitudinal seat plate (23) are located at both ends of the arc-shaped seat plate (22), and the transverse seat plate (21), the arc-shaped seat plate (22), and the longitudinal seat plate (23) are integrally formed. The transverse seat plate (21) and the longitudinal seat plate (23) are each pre-embedded with a multi-tube seat (24) that matches the extended portions at both ends of the main steel frame (11). The multi-tube seat (24) includes a pre-embedded seat plate (241) and a matching sleeve (242). The matching sleeve (242) is evenly installed on one side of the pre-embedded seat plate (241), and the matching sleeve (242) is fixedly connected to the pre-embedded seat plate (241).

5. A large-volume concrete structure according to claim 4, characterized in that, The vertical panel (3) includes a concrete vertical slab (31) and a secondary steel reinforcement frame (32) and a metal support frame (33) pre-embedded and fixed in the concrete vertical slab (31). The upper end of the secondary steel reinforcement frame (32) extends from the upper end face of the concrete vertical slab (31), and the lower end of the metal support frame (33) extends from the lower end face of the concrete vertical slab (31). A corresponding bending plate (121) is provided on one side of the concrete vertical slab (31) near the upper end. The second bent plate (311) is connected to the first bent plate (121) and the second bent plate (311) by an inner corner bracket (34). The metal frame (33) includes a vertical plate (331) and a connecting horizontal plate (332). The upper end of the vertical plate (331) is fixedly installed in the concrete vertical plate (31). The connecting horizontal plate (332) is installed on the lower end face of the vertical plate (331). The connecting horizontal plate (332) and the vertical plate (331) are integrally formed.

6. A large-volume concrete structure according to claim 5, characterized in that, The inner corner bracket (34) includes an angle plate (341), a limiting strip (342), and a connecting angle plate (343). The two ends of the angle plate (341) are respectively inserted into the bending plate one (121) and the bending plate two (311). The limiting strip (342) is installed on the outer surface of both ends of the angle plate (341) and is integrally formed with the angle plate (341). The connecting angle plate (343) is evenly installed in the middle of the inner side of the angle plate (341) and is fixedly connected with the angle plate (341). The lower end surface of the concrete slab (13) and the side surface of the concrete vertical slab (31) are provided with limiting slots (131) that cooperate with the limiting strip (342).

7. A large-volume concrete structure according to claim 6, characterized in that, The base platform (4) includes a main base platform (41) and a top recess (42). The top recess (42) is installed on the upper end face of the main base platform (41) and is integrally formed with the main base platform (41). The upper end face of the top recess (42) is evenly provided with a plurality of connecting bolts (421) that are connected to the connecting corner plate (343). The connecting bolts (421) are equipped with matching locking nuts (422).

8. A large-volume concrete structure according to claim 7, characterized in that, The reinforcing support (5) includes a disc base (51), a diagonal brace (52), and a column (53). The lower end of the disc base (51) is symmetrically provided with a concave plate (511) clamped on the middle plate (14) of the equipment. Several diagonal rods (512) are also provided on the outer side of the disc base (51). The concave plate (511), the diagonal rods (512), and the disc base (51) are integrally formed. The outer end of the diagonal rod (512) is fixedly installed with a clamping plate seat (513) connected to the connecting plate (122). The clamping plate seat (513) is fixedly connected to the connecting plate (122) by bolts. The diagonal brace (52) is evenly installed on the lower end of the disc base (51) and is fixedly connected to the disc base (51). The column (53) is fixedly installed on the lower end of the diagonal brace (52).

9. A large-volume concrete structure according to claim 8, characterized in that, The pole support (6) includes a base block (61) and a vertical tube (62) for the column (53) to be inserted and installed. The vertical tube (62) is vertically installed at the center of the upper end face of the base block (61), and several reinforcing corner plates (611) are fixedly installed between the vertical tube (62) and the base block (61).

10. A construction method for a large-volume concrete structure according to any one of claims 1-9, characterized in that, Includes the following steps: S1: Fabricate the main steel reinforcement frame according to the design requirements, bend and weld the steel bars to form the required shape and size; place the main steel reinforcement frame, embedded frame, equipment middle plate and reinforced side plate in the formwork, pour C40 concrete into the formwork, vibrate to compact, and cure to the design strength to form a large concrete slab. S2: After welding and fixing the pre-embedded seat plate and matching sleeve of the multi-tube seat, it is pre-embedded into the formed template; concrete is poured into the template to form the transverse seat plate, arc seat and longitudinal seat plate in one step to obtain the right-angle seat; S3: Fabricate the secondary steel reinforcement frame and metal support frame, and weld the vertical plate and connecting horizontal plate into the metal support frame; place the secondary steel reinforcement frame and metal support frame in the formwork, and set up the second bending plate; pour C40 concrete into the formwork, vibrate and compact it, and cure it to the design strength to form a concrete vertical plate; S4: The main base platform and the top recessed platform are cast in concrete to form a single piece. Connecting bolts are pre-embedded before casting to ensure that the connecting bolts can protrude from the upper end face of the top recessed platform to form the base platform. S5: Insert the extended portions of the main steel reinforcement frames at both ends of the large-volume precast slab into the multi-tube base of the right-angle seat, connect and fix the upper end of the secondary steel reinforcement frame of the vertical panel to the right-angle seat, connect the first bent plate and the second bent plate through the inner corner frame, and finally connect and fix the metal base frame at the lower end of the vertical panel to the top recess of the base platform through connecting bolts and locking nuts.

Images