Reinforcing steel bar protective layer cushion block structure capable of enlarging bearing area and padding method of reinforcing steel bar protective layer cushion block structure

Abstract

The invention provides a reinforcing steel bar protective layer cushion block structure capable of enlarging the bearing area and a padding method thereof, and belongs to the technical field of building construction.The reinforcing steel bar protective layer cushion block structure comprises a protective layer cushion block, the protective layer cushion block comprises a movable end, a connecting rod and a fixed block, a connecting groove is formed in the surface of the protective layer cushion block, and an expansion joint is arranged on the surface of the movable end; the limiting assembly comprises a movable rod, a connecting block A, a limiting rod and a limiting plate, the fastening assembly is arranged on one side of the protective layer cushion block and comprises a fastening screw rod, a control rod, a connecting block B and a fastening block, and the protective layer cushion block design system is used for calculating and designing the mounting positions, the number and the clamping force of the protective layer cushion block according to the condition of reinforcing steel bars in a construction site. The problems that a cushion block is prone to displacement due to vibration, buoyancy or improper construction operation when the cushion block is fixed to a steel bar through an iron wire or a binding wire traditionally, the thickness of a concrete protection layer is uneven due to displacement of the cushion block, and the durability and safety of the structure are affected are solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of building construction, and in particular, relates to a steel bar protective layer pad structure for enlarging the bearing area and a padding method thereof. Background Art

[0002] Steel cage is a commonly used component in concrete structure to enhance the tensile strength of the structure. During the production and installation of steel cage, protective layer pads are used to ensure the minimum spacing between steel bars and concrete, preventing the steel bars from directly contacting the formwork, thereby ensuring the thickness of the concrete protective layer.

[0003] However, the existing protective layer pads are usually set in a disc shape, and the pads are fixed to the steel bars by using iron wires or binding wires to prevent them from falling off during the concrete pouring process. During the concrete pouring process, the pads are easily displaced due to vibration, buoyancy or improper construction operations. The displacement of the pads will cause uneven thickness of the concrete protective layer, affecting the durability and safety of the structure. Therefore, a steel bar protective layer pad structure with an enlarged bearing area and a padding method thereof are designed. Summary of the invention

[0004] The embodiments of the present invention provide a steel bar protective layer pad structure and a pad installation method for expanding the bearing area, which solves the problem that the pad is easily displaced due to vibration, buoyancy or improper construction operation by traditionally using iron wire or binding wire to fix the pad on the steel bar. The displacement of the pad will cause uneven thickness of the concrete protective layer, affecting the durability and safety of the structure.

[0005] In view of the above problems, the technical solution proposed by the present invention is: The present invention provides a steel bar protective layer pad structure for enlarging the bearing area, comprising a protective layer pad, the protective layer pad comprising a movable end, a connecting rod and a fixed block, a connecting groove is provided on the surface of the protective layer pad, an expansion joint is provided on the surface of the movable end, the connecting rod passes through the movable end, and the fixed block is fixed to one end of the connecting rod; A limit assembly, wherein the limit assembly is arranged at the upper end of the connecting rod, the limit assembly comprises a movable rod, a connecting block A, a limit rod and a limit plate, the connecting block A is arranged between the movable rod and the connecting rod, the limit rod passes through the connecting block A, and the limit plate passes through the limit rod; A fastening assembly, the fastening assembly is arranged on one side of the protective layer pad, the fastening assembly comprises a fastening screw, a control rod, a connecting block B and a fastening block, the fastening screw passes through one side of the protective layer pad, the control rod is fixed to the outer end of the fastening screw, the connecting block B is arranged at the other end of the fastening screw, and the fastening block is arranged at the bottom of the connecting block B; A protective layer pad design system is used to calculate and design the installation position, quantity and clamping force of the protective layer pad according to the conditions of the steel bars at the construction site.

[0006] As a preferred technical solution of the present invention, it also includes a fixing component, which is arranged at the rear end of the protective layer pad. The fixing component includes a mounting plate, a fixing plate and a fixing rod. Two fixing plates are fixed on the front side of the mounting plate. The fixing rod is arranged between the two fixing plates. The fixing rod passes through the protective layer pad, and a fixing plate is arranged between the fixing rod and the fixing plate. The fixing plate is fixed to the outside of the fixing plate, and the fixing rod is threadedly matched with the fixing plate and the fixing plate, respectively.

[0007] As a preferred technical solution of the present invention, the expansion joint is connected to the connecting groove, a movable groove that cooperates with the connecting rod thread is opened inside the movable end, a gasket is arranged between the inner side of the fixed block and the movable end, the gasket is fixed at the bottom of the movable end, and the gasket is made of rubber.

[0008] As a preferred technical solution of the present invention, a mounting block is arranged between the movable rod and the connecting block A, and the mounting block is respectively threadedly matched with the movable rod and the connecting block A. A connecting hole B adapted to the connecting rod is vertically opened inside the connecting block A, and a limiting hole adapted to the limiting rod is horizontally opened, and the connecting hole B and the limiting hole are cross-shaped.

[0009] As a preferred technical solution of the present invention, the upper end of the connecting rod is provided with the limiting hole, the limiting rod passes through the connecting block A and the connecting rod through the limiting hole, the limiting plate is of trapezoidal design, and a limiting groove adapted to the limiting plate is provided near the rear end of the limiting block, the bottom end of the movable rod is of arc design, and a gasket adapted to the bottom end of the movable rod is fixed on the upper surface of the movable end, the gasket is fixed on the upper surface of the movable end, the gasket is made of metal, and a rubber pad is fixed on the surface of the gasket.

[0010] As a preferred technical solution of the present invention, a connecting hole A that cooperates with the thread of the fastening screw is opened on the outer side of the protective layer pad, the fastening screw and the control rod are T-shaped, the connecting block B is screw-connected to the fastening screw, and two fastening blocks are arranged at the bottom of the connecting block B. A fixing bolt is arranged between the fastening block and the connecting block B, and the fastening block and the connecting block B are both made of elastic material.

[0011] As a preferred technical solution of the present invention, the protective layer pad design system includes a parameter setting module, a three-dimensional modeling module, an analysis module and a database; The parameter setting module is used to set various data of the steel bars and the protective layer pads, including structural parameters, steel bar layout, material properties and pad loads; The three-dimensional modeling module generates a three-dimensional model of a concrete structure, a steel cage and a protective layer pad based on the parameters of the parameter setting module using a three-dimensional modeling software; The analysis module uses finite element software to calculate the stress conditions of pads at different positions on the steel cage during the concrete pouring process, and optimizes the installation position of the protective layer pads according to the stress conditions; The database is used to store the setting scheme of the protective layer pads for quick retrieval and reference.

[0012] As a preferred technical solution of the present invention, the analysis module further includes a pad quantity calculation unit, a pad position calculation unit and a pad clamping force calculation unit; The pad quantity calculation unit calculates the number of pads according to the cross-sectional area of ​​the steel bars and the conventional pad spacing value; The pad position calculation unit simulates the position installation of the pad using three-dimensional modeling software and optimizes it according to the simulation situation; The pad clamping force calculation unit uses finite element software to perform mechanical analysis according to the material properties of the pad to determine the clamping force of the pad.

[0013] On the other hand, a method for laying a reinforcement protective layer pad structure for enlarging the bearing area comprises the following steps: Step S1, scheme design, according to the design size of the steel cage and the requirements of the concrete cover, a pad of suitable size and shape is selected, and the protective layer pad design system is used to simulate and optimize the initial scheme to obtain an optimized scheme of the pad; Step S2, placing the steel cage, placing the steel cage in the template according to the designed position; Step S3, installing the cushion block, opening the movable end of the protective layer cushion block, connecting it to the grid structure of the steel cage, tightening the movable end by using the limit assembly, and then controlling the fastening assembly to fasten the connection between the cushion block and the steel cage, and connecting it to the template by using the fixing assembly; Step S4, check and adjust, check whether the pads are installed in place, and ensure that each pad is in close contact with the steel cage and the formwork; Step S5, pouring concrete. After the pads are installed, pouring concrete is performed.

[0014] Compared with the prior art, the beneficial effects of the present invention are: (1) The present invention increases the contact area between the pad, the steel cage and the concrete by providing a fastening component and a fixing component, reduces the local stress, and uses the fastening component and the limiting component to fasten the pad and the steel bars of the steel cage, thereby enhancing the firmness of the connection between the pad and the steel cage, ensuring the stability of the pad during the concrete pouring process, and is suitable for steel bars of different diameters; (2) The present invention simulates and analyzes the parameters of different steel cages and pads through mechanical analysis and three-dimensional simulation of the pads, which can better exert the effect of the pads, provide accurate pad position, quantity and clamping force design, greatly improve work efficiency and reduce human errors.

[0015] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented according to the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of a steel bar protective layer pad structure with an enlarged bearing area disclosed in the present invention; Figure 2 It is a schematic diagram of the disassembled structure of a steel bar protective layer pad structure for enlarging the bearing area disclosed in the present invention; Figure 3 It is a schematic diagram of the disassembled structure of a limiting component of a steel bar protective layer pad structure with an enlarged bearing area disclosed in the present invention; Figure 4 It is a schematic diagram of a partial cross-sectional structure of a steel bar protective layer pad structure with an enlarged bearing area disclosed in the present invention; Figure 5 It is a schematic diagram of the overall structure of a fastening assembly of a steel bar protective layer pad structure with an enlarged bearing area disclosed in the present invention; Figure 6 It is a schematic diagram of the installation of a steel bar protective layer pad structure for enlarging the bearing area disclosed in the present invention; Figure 7 It is a block diagram of a protective layer pad design system for a steel bar protective layer pad structure with an enlarged bearing area disclosed in the present invention; Figure 8 It is a schematic flow chart of a method for laying a reinforcement protective layer pad structure for enlarging the bearing area disclosed in the present invention; Description of reference numerals: 100, protective layer pad; 101, movable end; 102, connecting groove; 103, expansion joint; 104, connecting rod; 105, fixed block; 106, movable groove; 107, washer; 108, gasket; 109, connecting hole A; 200, limit assembly; 201, movable rod; 202, connecting block A; 203, mounting block; 204, limit rod; 205, limit slot; 206, limit plate; 207, limit hole; 208, connecting hole B; 300, fastening assembly; 301, fastening screw; 302, control rod; 303, connecting block B; 304, fastening block; 305, fixing bolt; 400, fixing assembly; 401, mounting plate; 402, fixing plate; 403, fixing rod; 404, fixing sheet; 500, steel cage; 600. Protective layer pad design system; 601. Parameter setting module; 602. Three-dimensional modeling module; 603. Analysis module; 6031. Pad quantity calculation unit; 6032. Pad position calculation unit; 6033. Pad clamping force calculation unit; 604. Database. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] 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 invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0021] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined. Example

[0022] Refer to the attached Figure 1-7 As shown, the present invention provides a technical solution: a steel bar protective layer pad structure with an enlarged bearing area, comprising a protective layer pad 100, the protective layer pad 100 comprising a movable end 101, a connecting rod 104 and a fixed block 105, a connecting groove 102 is provided on the surface of the protective layer pad 100, an expansion joint 103 is provided on the surface of the movable end 101, the connecting rod 104 passes through the movable end 101, and the fixed block 105 is fixed to one end of the connecting rod 104; The limiting assembly 200 is arranged at the upper end of the connecting rod 104. The limiting assembly 200 includes a movable rod 201, a connecting block A202, a limiting rod 204 and a limiting plate 206. The connecting block A202 is arranged between the movable rod 201 and the connecting rod 104. The limiting rod 204 passes through the connecting block A202. The limiting plate 206 passes through the limiting rod 204. The fastening assembly 300 is arranged on one side of the protective layer pad 100. The fastening assembly 300 includes a fastening screw 301, a control rod 302, a connecting block B303 and a fastening block 304. The fastening screw 301 passes through one side of the protective layer pad 100, the control rod 302 is fixed to the outer end of the fastening screw 301, the connecting block B303 is arranged at the other end of the fastening screw 301, and the fastening block 304 is arranged at the bottom of the connecting block B303; The protective layer pad design system 600 is used to calculate and design the installation position, quantity and clamping force of the protective layer pad 100 according to the conditions of the steel bars at the construction site.

[0023] The embodiment of the present invention is also implemented through the following technical solutions.

[0024] In the embodiment of the present invention, a fixing assembly 400 is further included. The fixing assembly 400 is arranged at the rear end of the protective layer cushion block 100. The fixing assembly 400 includes a mounting plate 401, a fixing plate 402 and a fixing rod 403. Two fixing plates 402 are fixed to the front side of the mounting plate 401. The fixing rod 403 is arranged between the two fixing plates 402. The fixing rod 403 penetrates the protective layer cushion block 100, and a fixing sheet 404 is arranged between the fixing rod 403 and the fixing plate 402. The fixing sheet 404 is fixed to the outer side of the fixing plate 402. The fixing rod 403 is respectively connected to the fixing plate 402. The plate 402 and the fixing plate 404 are threadedly matched, and the fixing rod 403 penetrates the protective layer pad 100 and is connected to the fixing block 402 to realize the connection between the mounting plate 401 and the protective layer pad 100, and the fixing plate 404 is used to act as a nut to fix the position of the two ends of the fixing rod 403. By opening a hole in the mounting plate 401 and installing a conventional pull rod between the mounting plate 401 and the casting formwork for connection, the rear end of the protective layer pad 100 is fixed on the formwork, thereby improving the stability of the protective layer pad 100 during the concrete pouring process and avoiding displacement.

[0025] In an embodiment of the present invention, the expansion joint 103 is connected to the connecting groove 102, and a movable groove 106 threadedly matched with the connecting rod 104 is opened inside the movable end 101. A washer 107 is arranged between the inner side of the fixed block 105 and the movable end 101, and the washer 107 is fixed to the bottom of the movable end 101. The washer 107 is made of rubber. Through the expansion joint 103, when the protective layer pad 100 is installed, the connecting rod 104 can be omitted. The steel bars on the steel cage 500 are directly inserted into the connecting groove 102 through the expansion joint 103, and the connecting rod 104 is rotated to tighten the expansion joint 103. The washer 107 is used to reduce the wear of the fixed block 105 on the movable end 101, and the elastic effect of the washer 107 can act on the movable end 101 to squeeze the movable end 101 inward, thereby improving the fastening effect of the movable end 101 and adapting to steel bars of different sizes.

[0026] In an embodiment of the present invention, a mounting block 203 is arranged between the movable rod 201 and the connecting block A202, and threaded cooperation is arranged between the mounting block 203 and the movable rod 201 and the connecting block A202 respectively. A connecting hole B208 adapted to the connecting rod 104 is vertically opened inside the connecting block A202, and a limiting hole 207 adapted to the limiting rod 204 is horizontally opened. The connecting hole B208 and the limiting hole 207 are cross-shaped. The connecting block A202 is installed in the bottom end of the movable rod 201 through the mounting block 203, and the movable rod 201 is connected to the connecting rod 104 through the connecting hole B208, which plays a role in fixing the connecting rod 104. When in use, the movable rod 201 is horizontal with the expansion joint 103 or the pad, and the connecting rod 104 can directly pass through the connecting hole B208.

[0027] In the embodiment of the present invention, a limiting hole 207 is provided at the upper end of the connecting rod 104, and the limiting rod 204 passes through the connecting block A202 and the connecting rod 104 through the limiting hole 207. The limiting plate 206 is of trapezoidal design, and a limiting groove 205 adapted to the limiting plate 206 is provided near the rear end of the limiting block. After the connecting rod 104 is fixed, the limiting rod 204 passes through the connecting block A202 and the protruding part of the connecting rod 104 through the limiting hole 207, and the limiting plate 206 passes through the limiting groove 205, and the limiting rod 204 is fixed. The connecting rod 104 is fixed by multiple limit switches to prevent the expansion joint 103 from expanding, so that the connection between the pad and the steel bar is tighter. The bottom end of the movable rod 201 is designed in an arc shape, and a gasket 108 adapted to the bottom end of the movable rod 201 is fixed on the upper surface of the movable end 101. The gasket 108 is fixed on the upper surface of the movable end 101. The gasket 108 is made of metal, and a rubber pad is fixed on the surface of the gasket 108. The gasket 108 prevents the bottom end of the movable rod 201 from slipping on the movable end 101, thereby improving stability.

[0028] In an embodiment of the present invention, a connection hole A109 threadedly matched with the fastening screw 301 is provided on the outer side of the protective layer pad 100, the fastening screw 301 and the control rod 302 are T-shaped, the connecting block B303 is screwed to the fastening screw 301, and two fastening blocks 304 are arranged at the bottom of the connecting block B303, and a fixing bolt 305 is arranged between the fastening block 304 and the connecting block B303. The fastening block 304 and the connecting block B303 are both made of elastic material, and the fastening screw 301 is controlled by the control rod 302 to rotate in the connecting hole A109 for adjustment, so as to control the fastening block 304 on the bottom connecting block B303 to move toward the steel bar. Based on the materials of the connecting block B303 and the fastening block 304, they are adapted to the shape of the steel bar, and due to the downward extrusion of the fastening screw 301, the fastening block 304 is tightly attached to the outer surface of the steel bar, thereby improving the firmness of the connection between the pad and the steel bar and avoiding displacement. When adjusting the fastening screw 301, the movable rod 201 can loosen the mounting block 203, lift the movable rod 201, and rotate on the outer surface of the connecting block B303. After the fastening screw 301 is fully adjusted, the movable rod 201 is restored, and the lifting height of the movable rod 201 is adjusted according to the actual situation to avoid conflict with the protruding part of the connecting rod 104.

[0029] In the embodiment of the present invention, the protective layer pad design system 600 includes a parameter setting module 601, a three-dimensional modeling module 602, an analysis module 603 and a database 604; The parameter setting module 601 is used to set various data of the steel bar and the protective layer pad 100, including structural parameters, steel bar layout, material properties, pad load and other related data, and store them in the database 604; The three-dimensional modeling module 602 generates three-dimensional models of the concrete structure, the steel cage 500 and the protective layer pad 100 based on the parameters of the parameter setting module 601 using the three-dimensional modeling software, and performs construction simulation on the installation scheme of the protective layer pad 100; The analysis module 603 uses finite element software to calculate the stress conditions of pads at different positions on the steel cage 500 during the concrete pouring process, and optimizes the installation position of the protective layer pad 100 according to the stress conditions; The database 604 is used to store the setting scheme of the protective layer pad 100 for quick retrieval and reference.

[0030] In the embodiment of the present invention, the analysis module 603 further includes a pad quantity calculation unit 6031, a pad position calculation unit 6032 and a pad clamping force calculation unit 6033; The pad number calculation unit 6031 calculates the number of pads according to the cross-sectional area of ​​the steel bars and the conventional pad spacing value, specifically: according to the structural design specification, determine the minimum thickness of the concrete cover, determine the cross-sectional area of ​​each steel bar, and calculate the number of pads required in each direction according to the pad spacing recommended by the specification (usually not exceeding a certain distance, such as 600mm), the formula is: pad number = total length of steel bars / recommended pad spacing; The pad position calculation unit 6032 uses 3D modeling software to perform 3D construction simulation on the position installation of the pad, and optimizes it according to the simulation situation to ensure the rationality of the pad position; The pad clamping force calculation unit 6033 uses finite element software to perform mechanical analysis based on the material properties of the pad to determine the clamping force of the pad, specifically: determine the elastic modulus of the pad based on its material properties, determine the maximum force that the pad may be subjected to during concrete pouring through mechanical analysis, ensure that the clamping force is sufficient to resist these forces and prevent the pad from displacement, and the calculation formula is: clamping force = maximum force * safety factor, where the safety factor is determined based on specifications and engineering experience, and is usually between 1.5 and 2.0. During actual construction, the real-time clamping force of the pad is monitored by installing a pressure sensor on the inner wall where the pad contacts the steel bar or on the outer side of the pad, and the pressure of the pad on the steel bar is monitored by the pressure sensor on the inner wall to ensure that the clamping force between the pad and the steel bar meets the design requirements. The pressure from the concrete is monitored by the pressure sensor on the outer surface, and the calculated clamping force is set as a threshold. When the operator exceeds the threshold during construction, an alarm is used to remind the operator and timely adjustments are made. The calculated clamping force of the pad can evenly distribute the stress between the steel bar and the concrete, prevent excessive local stress in the concrete under the steel bar, and improve the structural performance.

[0031] In this embodiment, the protective layer pad design system 600 also includes a displacement monitoring module, which is used to monitor the displacement changes of the protective layer pad 100. A displacement sensor is embedded in each protective layer pad 100, and the initial position value of the pad is set according to the installation position design of the pad. During the concrete pouring process, the position information of the pad is monitored in real time. If the position value of the pad is inconsistent with the initial position value, it means that the pad has been displaced and timely countermeasures need to be taken to ensure that the stability of the overall structure is not affected. Example

[0032] See attached Figure 8 As shown, an embodiment of the present invention further provides a method for laying a reinforcement protective layer pad structure for enlarging the bearing area, comprising the following steps: Step S1, scheme design, according to the design size of the steel cage 500 and the requirements of the concrete cover, a pad of suitable size and shape is selected, and the protective layer pad design system 600 is used to simulate and optimize the initial scheme to obtain an optimized scheme of the pad; Step S2, placing the steel cage 500, placing the steel cage 500 in the template according to the designed position; Step S3, installing the pad, opening the movable end 101 of the protective layer pad 100, connecting it to the grid structure of the steel cage 500, tightening the movable end 101 by using the limit assembly 200, and then controlling the fastening assembly 300 to fasten the connection between the pad and the steel cage 500, and connecting it to the template by using the fixing assembly 400 to complete the installation of the protective layer pad 100; Step S4, check and adjust, check whether the pads are installed in place, and ensure that each pad is in close contact with the steel cage 500 and the template; Step S5, pouring concrete. After the pads are installed, pouring concrete is performed.

[0033] In this embodiment, the detailed steps of simulating and optimizing the initial solution in step S1 are as follows: Step S11, the staff inputs the structural design parameters in the 3D modeling software, including the specifications of concrete and steel bars, the thickness of the protective layer, the construction conditions, etc.; Step S12, the software generates a three-dimensional model of the structure according to the input parameters and arranges steel bars in the model; Step S13, the software generates a preliminary pad arrangement plan based on preset rules and empirical data; Step S14, performing mechanical analysis on the preliminary design scheme to evaluate the stress conditions of the pad at different positions; Step S15, adjusting the position and quantity of the pads according to the force conditions to improve stability; Step S16, calculating the clamping force required for each cushion block according to the optimized cushion block arrangement scheme; Step S17, verifying the accuracy and feasibility of the design solution by comparing the simulation with the actual engineering case; Step S18, the software outputs the final pad layout, clamping force and other construction guidance information.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

[0035] It should be understood that the specific order or hierarchy of steps in the disclosed process is an example of an exemplary method. Based on design preferences, it should be understood that the specific order or hierarchy of steps in the process can be rearranged without departing from the scope of protection of the present disclosure. The attached method claims present the elements of the various steps in an exemplary order and are not intended to be limited to the specific order or hierarchy described.

[0036] In the above detailed description, various features are grouped together in a single embodiment to simplify the disclosure. This method of disclosure should not be interpreted as reflecting an intention that the embodiments of the claimed subject matter require more features than are clearly stated in each claim. On the contrary, as reflected in the appended claims, the invention is in a state of having less than all the features of the disclosed individual embodiments. Therefore, the appended claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

[0037] Those skilled in the art will also appreciate that the various illustrative logic blocks, modules, circuits, and algorithmic steps described in conjunction with the embodiments herein can all be implemented as electronic hardware, computer software, or a combination thereof. In order to clearly illustrate the interchangeability between hardware and software, various illustrative components, blocks, modules, circuits, and steps are generally described above around their functions. Whether such functions are implemented as hardware or software depends on specific applications and the design constraints imposed on the entire system. A skilled person can implement the described functions in an alternative manner for each specific application, but such implementation decisions should not be interpreted as departing from the scope of protection of the present disclosure.

[0038] For software implementation, the techniques described in this application can be implemented with modules (e.g., procedures, functions, etc.) that perform the functions described in this application. These software codes can be stored in a memory module and executed by a processor. The memory module can be implemented within the processor or outside the processor. In the latter case, it is coupled to the processor in a communication manner via various means, which are well known in the art.

Claims

1. A steel bar protective layer pad structure with an enlarged bearing area, characterized in that: The protective layer pad (100) comprises a movable end (101), a connecting rod (104) and a fixed block (105); a connecting groove (102) is provided on the surface of the protective layer pad (100); an expansion joint (103) is provided on the surface of the movable end (101); the connecting rod (104) passes through the movable end (101); and the fixed block (105) is fixed to one end of the connecting rod (104); a limit assembly (200), the limit assembly (200) being arranged at the upper end of the connecting rod (104), the limit assembly (200) comprising a movable rod (201), a connecting block A (202), a limit rod (204) and a limit plate (206), the connecting block A (202) being arranged between the movable rod (201) and the connecting rod (104), the limit rod (204) penetrating the connecting block A (202), and the limit plate (206) penetrating the limit rod (204); a fastening assembly (300), the fastening assembly (300) being arranged on one side of the protective layer pad (100), the fastening assembly (300) comprising a fastening screw (301), a control rod (302), a connecting block B (303) and a fastening block (304), the fastening screw (301) passing through one side of the protective layer pad (100), the control rod (302) being fixed to the outer end of the fastening screw (301), the connecting block B (303) being arranged at the other end of the fastening screw (301), and the fastening block (304) being arranged at the bottom of the connecting block B (303); A protective layer pad design system (600) is used to calculate and design the installation position, quantity and clamping force of the protective layer pad (100) according to the conditions of the steel bars at the construction site.

2. A steel bar protective layer pad structure for enlarging the bearing area according to claim 1, characterized in that: The invention also comprises a fixing assembly (400), wherein the fixing assembly (400) is arranged at the rear end of the protective layer cushion block (100), and the fixing assembly (400) comprises a mounting plate (401), a fixing plate (402) and a fixing rod (403), wherein two fixing plates (402) are fixed on the front side of the mounting plate (401), and the fixing rod (403) is arranged between the two fixing plates (402), and the fixing rod (403) passes through the protective layer cushion block (100), and a fixing plate (404) is arranged between the fixing rod (403) and the fixing plate (402), and the fixing plate (404) is fixed to the outside of the fixing plate (402), and the fixing rod (403) is threadedly matched with the fixing plate (402) and the fixing plate (404), respectively.

3. A steel bar protective layer pad structure for enlarging the bearing area according to claim 2, characterized in that: The expansion joint (103) is communicated with the connecting groove (102); a movable groove (106) threadably matched with the connecting rod (104) is provided inside the movable end (101); a washer (107) is provided between the inner side of the fixed block (105) and the movable end (101); the washer (107) is fixed to the bottom of the movable end (101); and the washer (107) is made of rubber.

4. A steel bar protective layer pad structure for enlarging the bearing area according to claim 3, characterized in that: A mounting block (203) is provided between the movable rod (201) and the connecting block A (202); the mounting block (203) is respectively provided with threads to cooperate with the movable rod (201) and the connecting block A (202); a connecting hole B (208) adapted to the connecting rod (104) is vertically provided inside the connecting block A (202); a limiting hole (207) adapted to the limiting rod (204) is horizontally provided inside the connecting block A (202); the connecting hole B (208) and the limiting hole (207) are in a cross shape.

5. A steel bar protective layer pad structure for enlarging the bearing area according to claim 4, characterized in that: The upper end of the connecting rod (104) is provided with the limiting hole (207), and the limiting rod (204) passes through the connecting block A (202) and the connecting rod (104) through the limiting hole (207). The limiting plate (206) is of trapezoidal design, and a limiting groove (205) adapted to the limiting plate (206) is provided near the rear end of the limiting block. The bottom end of the movable rod (201) is of arc-shaped design, and a gasket (108) adapted to the bottom end of the movable rod (201) is fixed on the upper surface of the movable end (101). The gasket (108) is fixed on the upper surface of the movable end (101), and the gasket (108) is made of metal. A rubber pad is fixed on the surface of the gasket (108).

6. A steel bar protective layer pad structure for enlarging the bearing area according to claim 5, characterized in that: The outer side of the protective layer pad (100) is provided with a connection hole A (109) threadedly matched with the fastening screw (301); the fastening screw (301) and the control rod (302) are in a T shape; the connection block B (303) is screw-connected to the fastening screw (301); two fastening blocks (304) are arranged at the bottom of the connection block B (303); a fixing bolt (305) is arranged between the fastening block (304) and the connection block B (303); the fastening block (304) and the connection block B (303) are both made of elastic material.

7. A steel bar protective layer pad structure for enlarging the bearing area according to claim 6, characterized in that: The protective layer pad design system (600) comprises a parameter setting module (601), a three-dimensional modeling module (602), an analysis module (603) and a database (604); The parameter setting module (601) is used to set various data of the steel bars and the protective layer pad (100), including structural parameters, steel bar layout, material properties and pad load; The three-dimensional modeling module (602) generates three-dimensional models of the concrete structure, the steel cage (500) and the protective layer pad (100) based on the parameters of the parameter setting module (601) using three-dimensional modeling software; The analysis module (603) uses finite element software to calculate the stress conditions of pads at different positions on the steel cage (500) during the concrete pouring process, and optimizes the installation position of the protective layer pad (100) according to the stress conditions; The database (604) is used to store the setting scheme of the protective layer pad (100) for quick retrieval and reference.

8. A steel bar protective layer pad structure for enlarging the bearing area according to claim 7, characterized in that: The analysis module (603) further comprises a pad quantity calculation unit (6031), a pad position calculation unit (6032) and a pad clamping force calculation unit (6033); The pad number calculation unit (6031) calculates the number of pads according to the cross-sectional area of ​​the steel bars and the conventional pad spacing value; The pad position calculation unit (6032) simulates the position installation of the pad using three-dimensional modeling software and optimizes it according to the simulation situation; The pad clamping force calculation unit (6033) uses finite element software to perform mechanical analysis based on the material properties of the pad to determine the clamping force of the pad.

9. A method for laying a steel bar protective layer pad structure with an enlarged bearing area, applied to a steel bar protective layer pad structure with an enlarged bearing area as claimed in any one of claims 1 to 8, characterized in that: The following steps are involved: Step S1, scheme design, according to the design size of the steel cage (500) and the requirements of the concrete protective layer, a pad of suitable size and shape is selected, and the protective layer pad design system (600) is used to simulate and optimize the initial scheme to obtain an optimized scheme of the pad; Step S2, placing the steel cage (500), placing the steel cage (500) in the template according to the designed position; Step S3, installing a cushion block, opening the movable end (101) of the protective layer cushion block (100), connecting it to the grid structure of the steel cage (500), tightening the movable end (101) using the limiting assembly (200), and then controlling the fastening assembly (300) to fasten the connection between the cushion block and the steel cage (500), and connecting it to the template using the fixing assembly (400); Step S4, check and adjust, check whether the pads are installed in place, and ensure that each pad is in close contact with the steel cage (500) and the template; Step S5, pouring concrete. After the pads are installed, pouring concrete is performed.

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