Hollow thin-wall pier suspension type formwork and construction method

Abstract

The invention relates to the technical field of steel formworks, in particular to a hollow thin-wall pier suspension type formwork and a construction method. According to the hollow thin-wall pier suspension type formwork, due to the fact that the inner formwork assembly is designed to be of an integral structure, the inner formwork assembly can be installed in place at a time through a tower crane in the installation process, compared with a traditional inner formwork assembled in a split mode, a large number of splicing procedures are reduced, the disassembled inner formwork can be rapidly cleaned and transferred to the next construction station, and the construction efficiency is improved. The turnover use frequency of the formwork is increased, and the overall progress of the pier column is improved; and moreover, workers only need to carry out some auxiliary connection and fixation work on the ground, so that the time and the risk of high-place operation are greatly reduced. Therefore, according to the technical scheme, manual operation can be reduced, and construction efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of steel formworks, and in particular to a hollow thin-wall pier hanging formwork and a construction method. Background Art

[0002] With the rapid development of bridge construction in my country, the mechanization, intelligence and standardization of bridge construction are developing day by day. The overall lifting formwork construction technology of bridges has emerged under this background. The construction methods of hollow thin-walled piers mainly include flip formwork, sliding formwork and climbing formwork. Among them, climbing formwork has the advantages of high construction efficiency and good safety. Therefore, the current hollow thin-walled construction often adopts the climbing formwork construction method for construction.

[0003] In the related art, climbing formwork construction usually requires the use of a hydraulic climbing assembly to raise the steel formwork to a specified position for the next stage of pouring. However, this method requires a lot of manual operation, resulting in low construction efficiency.

[0004] Therefore, there is an urgent need to provide a hollow thin-walled pier suspended formwork and a construction method to solve the above technical problems. Summary of the invention

[0005] The invention provides a hollow thin-wall pier hanging formwork and a construction method, which can reduce manual operations and improve construction efficiency.

[0006] According to a first aspect, the present invention provides a hollow thin-walled pier suspended formwork, comprising a support assembly arranged outside the hollow thin-walled pier, an outer formwork assembly connected to the support assembly, and an inner formwork assembly arranged inside the hollow thin-walled pier, wherein the space formed between the outer formwork assembly and the inner formwork assembly is used for pouring concrete to form a hollow thin-walled pier, wherein:

[0007] The support assembly includes an inclined truss and a support rod, one end of the truss is fixed to the hollow thin-walled pier, and the other end is connected to one end of the support rod, and the other end of the support rod is connected to the outer mold assembly, and the verticality of the outer mold assembly is adjusted by adjusting the inclination angle of the support rod;

[0008] After completing the casting of the hollow thin-walled pier at the current stage, the steel formworks of the outer formwork assembly and the inner formwork assembly are separated from the concrete wall, and the outer formwork assembly and the inner formwork assembly are hoisted to the next working surface by a tower crane.

[0009] According to a second aspect, the present invention provides a construction method of a hollow thin-walled pier suspended formwork, based on the hollow thin-walled pier suspended formwork described in the above embodiment, the method comprises:

[0010] Use a tower crane to hoist the outer mold assembly and the inner mold assembly to the working surface on the base, and install the support assembly;

[0011] The front-to-rear distance of the outer mold assembly is adjusted by using a moving device disposed on the truss, and the verticality of the outer mold assembly is adjusted by adjusting the inclination angle of the support rod;

[0012] After completing the casting of the hollow thin-walled pier at the current stage, the steel formworks of the outer formwork assembly and the inner formwork assembly are separated from the concrete wall, and the outer formwork assembly and the inner formwork assembly are hoisted to the next working surface by a tower crane.

[0013] Beneficial effects:

[0014] The hollow thin-walled pier hanging formwork and construction method provided by the present invention, because the inner formwork assembly adopts an integral structural design, can be installed in place at one time by a tower crane during the installation process, compared with the traditional piece-by-piece assembly inner formwork, a large number of splicing processes are reduced, and the inner formwork after removal can be quickly cleaned and transferred to the next construction station, which speeds up the turnover frequency of the formwork and improves the overall progress of the pier column; and the workers only need to perform some auxiliary connection and fixing work on the ground, which greatly reduces the time and risk of working at height. Therefore, the above technical solution can reduce manual operations and improve construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 A schematic structural diagram of a hollow thin-walled pier suspended formwork according to an embodiment is shown;

[0017] Figure 2 A schematic structural diagram of an inner mold assembly according to an embodiment is shown.

[0018] Reference numerals:

[0019] 1-Support assembly;

[0020] 11-truss;

[0021] 12- support rod;

[0022] 13- Go up to the platform;

[0023] 14- Lower platform;

[0024] 2-External mold assembly;

[0025] 3-Inner mold assembly;

[0026] 31-Internal mold;

[0027] 32-disassembly block;

[0028] 33-frame assembly;

[0029] 331-first frame;

[0030] 332-Second frame;

[0031] 34-Adjustment component;

[0032] 35-Carrying the beam. DETAILED DESCRIPTION

[0033] 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. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0034] 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.

[0035] 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.

[0036] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", "middle" and the like appear to indicate directions or positional relationships, they are based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the product of the invention is usually placed when in use. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0037] like Figure 1 As shown, an embodiment of the present invention provides a hollow thin-walled pier hanging formwork, comprising a support assembly 1 arranged on the outside of the hollow thin-walled pier, an outer mold assembly 2 connected to the support assembly 1, and an inner mold assembly 3 arranged on the inside of the hollow thin-walled pier, and the space formed between the outer mold assembly 2 and the inner mold assembly 3 is used for pouring concrete to form a hollow thin-walled pier, wherein:

[0038] The support assembly 1 includes an inclined truss 11 and a support rod 12. One end of the truss 11 is fixed to the hollow thin-walled pier, and the other end is connected to one end of the support rod 12. The other end of the support rod 12 is connected to the outer mold assembly 2. The verticality of the outer mold assembly 2 can be adjusted by adjusting the inclination angle of the support rod 12.

[0039] After completing the pouring of the hollow thin-walled pier at the current stage, the steel formwork of the outer formwork assembly 2 and the inner formwork assembly 3 are separated from the concrete wall, and the outer formwork assembly 2 and the inner formwork assembly 3 are lifted to the next working surface by a tower crane (not shown in the figure).

[0040] In this embodiment, since the inner mold assembly adopts an integral structural design, it can be installed in place at one time by a tower crane during the installation process. Compared with the traditional piece-by-piece assembly of the inner mold, a large number of splicing processes are reduced. The dismantled inner mold can be quickly cleaned and transferred to the next construction station, which speeds up the turnover frequency of the template and improves the overall progress of the pier column. In addition, workers only need to perform some auxiliary connection and fixing work on the ground, which greatly reduces the time and risk of working at height. Therefore, the above technical solution can reduce manual operations and improve construction efficiency.

[0041] Specifically, compared with the traditional steel formwork, the suspended formwork provided by the present invention has the following advantages:

[0042] 1) No need to set up scaffolding: The concrete construction load, brackets and formwork are all borne by the tension screws, embedded parts and load-bearing tripods. There is no need to set up scaffolding separately, which reduces the material and labor costs of the scaffolding. It is suitable for high-altitude operations and can effectively avoid safety risks during the erection and dismantling of scaffolding. It is also conducive to speeding up the construction progress.

[0043] 2) The template is highly adjustable: the template can be moved back as a whole to meet the requirements of tying steel bars, cleaning the template and applying release agent. In addition, the template can be adjusted up and down, left and right relative to the support frame, which is very flexible to use. In addition, the support rod can be tilted forward and backward, with a maximum angle of 30°, which can better adapt to different construction conditions and structural shapes.

[0044] 3) High construction efficiency: The cantilever formwork has a high degree of standardization and strong versatility. It is easy and quick to install and disassemble, which can effectively shorten the time of a single construction cycle. It is suitable for the rapid construction of structures such as high bridge piers.

[0045] 4) Good appearance quality of concrete: The connection between the formworks is tight, and the anchoring device can be used to make it close to the concrete to prevent leakage and misalignment. It can effectively ensure the flatness and smoothness of the concrete surface and improve the appearance quality of the concrete.

[0046] 5) Better safety: Setting support rods can facilitate the adjustment of the verticality of the formwork and ensure the stability of the formwork system.

[0047] 6) Wide adaptability: It is suitable for the construction of various structural forms and structures of different heights. By adjusting the size and shape of the template, it can also meet the construction requirements well, and has strong versatility and adaptability.

[0048] 7) Labor cost: Hydraulic formwork has a high degree of automation and requires less labor, while assembling formwork requires a large number of construction workers. By comparison, the labor cost of suspended formwork is low.

[0049] 8) Material cost: Hydraulic formwork has a complex process and requires a large amount of equipment. The purchase cost of hydraulic cylinders, lifting devices, guide rails, etc. is high and requires a large one-time investment. There is a large demand for assembled formwork (scaffolding and fixtures). However, the suspended formwork does not require any equipment investment and relies solely on its own system for construction.

[0050] In one embodiment of the present invention, a moving device (not shown in the figure) is provided on the truss 11 , one end of the moving device is connected to the outer mold assembly 2 , and the other end of the moving device is connected to the bottom end of the support rod 12 .

[0051] In this embodiment, by providing a moving device, the outer mold assembly can be separated from the concrete wall.

[0052] In one embodiment of the present invention, the support assembly 1 further includes an upper platform 13 and a lower platform 14 both disposed on the outside of the outer mold assembly 2 , the upper platform 13 is located above the support rod 12 , and the lower platform 14 is located below the support rod 12 .

[0053] In this embodiment, a platform is provided on the support assembly, which can be used for the removal of embedded parts and concrete processing, providing a relatively safe operating platform for construction personnel and reducing the risk of construction personnel working at heights.

[0054] like Figure 2 As shown, in one embodiment of the present invention, the inner mold assembly 3 includes a detachable inner mold 31 and a disassembly block 32, and a frame assembly 33 and an adjustment assembly 34 arranged in the inner mold 31. The frame assembly 33 is used to support the inner mold 31, and the adjustment assembly 34 is used to adjust the length and / or width of the inner mold 31. By removing the disassembly block 32 and using the adjustment assembly 34 to adjust the length and / or width of the inner mold 31, the inner mold 31 is separated from the concrete wall.

[0055] In one embodiment of the present invention, the frame assembly 33 includes a first frame 331 fixed to the inner side of the inner mold 31 and a second frame 332 located inside the first frame 331 , and the adjustment assembly 34 is connected to the first frame 331 and the second frame 332 , respectively.

[0056] In one embodiment of the present invention, the inner mold assembly 3 further includes a shoulder beam 35, which is fixed to the bottom end of the first frame 331, and the shoulder beam 35 is used to be inserted into a reserved notch (not shown in the figure) on the inner side of the hollow thin-walled pier.

[0057] In this embodiment, the support beam is the key point of the inner mold support. It is fixed to the reserved grooves in the previous process through the four corner support points. After the concrete pouring is completed, the support legs are pulled out to achieve the purpose of closing the mold.

[0058] In one embodiment of the present invention, the comprehensive performance of the steel formwork material in the outer mold assembly 2 and the inner mold assembly 3 is pre-evaluated, and the comprehensive performance evaluation result of the steel formwork material is obtained in the following manner:

[0059] Obtain the geometric parameters and material parameters of the steel formwork;

[0060] Determine the three-dimensional geometric model of the steel formwork based on geometric parameters and material parameters;

[0061] Meshing the three-dimensional geometric model of the steel template to obtain the meshed three-dimensional geometric model of the steel template; wherein the meshed three-dimensional geometric model of the steel template includes a plurality of mesh nodes;

[0062] Inputting the corresponding comprehensive performance evaluation parameters into each node in the geometric model of the steel formwork after meshing to obtain a simulation model of the steel formwork material; wherein the comprehensive performance evaluation parameters include tensile strength, compressive strength, flexural strength, elastic modulus and toughness;

[0063] Extract features from the simulation model of the steel formwork material to obtain a multi-dimensional feature matrix; wherein the multi-dimensional feature matrix is ​​used to characterize the comprehensive performance of the steel formwork material in three-dimensional space;

[0064] The multi-dimensional characteristic matrix is ​​input into a preset comprehensive performance evaluation model of the steel formwork material to obtain a comprehensive performance evaluation result of the steel formwork material.

[0065] In this embodiment, first, the geometric parameters and material parameters of the steel template are obtained. The geometric parameters include the size specifications and shape characteristics of the steel template; the material parameters include the composition and organizational structure of the material. Based on these parameters, the three-dimensional modeling technology is used to construct a three-dimensional geometric model of the steel template, which can accurately reflect the geometric form of the steel template in the actual space. Subsequently, the constructed three-dimensional geometric model of the steel template is meshed. With the help of the meshing algorithm, the model is discretized into multiple regular or irregular units, thereby obtaining a three-dimensional geometric model of the steel template after meshing. The model consists of a large number of grid nodes, which are the basic units for subsequent analysis. Then, a series of evaluation parameters closely related to the comprehensive performance of the steel template are assigned to each node in the meshed model, and then a simulation model of the steel template material is constructed. These comprehensive performance evaluation parameters include tensile strength, compressive strength, flexural strength, elastic modulus and toughness, which can comprehensively reflect the mechanical properties and deformation characteristics of the steel template material under different stress states. Afterwards, by calculating and processing the physical quantities of each node in the model, a multi-dimensional feature matrix that can characterize the comprehensive performance of the steel template material in three-dimensional space is extracted. The characteristic matrix contains stress distribution, strain state, and energy dissipation at different positions, reflecting the performance characteristics of the steel formwork material from multiple angles. Finally, the extracted multi-dimensional characteristic matrix is ​​input into a pre-built and verified comprehensive performance evaluation model for steel formwork materials. The evaluation model is based on advanced machine learning algorithms or numerical analysis methods, and after training and optimization with a large amount of experimental data, it can accurately analyze and judge the input characteristic matrix, thereby outputting accurate comprehensive performance evaluation results of steel formwork materials. Through the above configuration, the present invention can accurately evaluate the comprehensive performance of steel formwork materials.

[0066] In one embodiment of the present invention, after inputting the multi-dimensional feature matrix into a preset comprehensive performance evaluation model of the steel formwork material to obtain the comprehensive performance evaluation result of the steel formwork material, the method further includes:

[0067] Acquire image data of steel formwork;

[0068] Input the image data of the steel template into a preset steel template defect detection model to obtain the number and types of defects on the surface of the steel template;

[0069] Inputting the number and types of defects on the surface of the steel template into the evaluation result equation group of the surface of the steel template to obtain the evaluation result of the surface of the steel template;

[0070] Based on the evaluation results of the steel formwork surface and the comprehensive performance evaluation results of the steel formwork material, the final comprehensive performance evaluation results of the steel formwork material are determined.

[0071] In this embodiment, the image data of the steel template is first obtained by means of image acquisition equipment such as high-resolution industrial cameras. This data contains multi-dimensional visual information such as texture, color and potential defects on the surface of the steel template. Subsequently, the image data is input into a steel template defect detection model pre-trained and verified based on deep learning algorithms such as convolutional neural networks (CNN). The model has the ability to identify and distinguish different types of defects such as cracks, holes, and sand holes by learning a large number of labeled defect images. After analysis and processing, the number and specific types of defects on the surface of the steel template are output. Next, the number and type of defects are used as input parameters and substituted into the steel template surface evaluation result equation group constructed based on the relevant theory and practical experience of the steel template surface quality. The equation group comprehensively considers the influence of different types of defects on the surface performance and the quantitative relationship between the number of defects and the surface quality, and the steel template surface evaluation result presented in the form of quantitative indicators is obtained by calculation and solution. Finally, the comprehensive performance evaluation result of the final steel template material is determined by the evaluation result of the steel template surface and the comprehensive performance evaluation result of the steel template material.

[0072] In one embodiment of the present invention, the evaluation result equation group of the steel template surface is constructed by the following formula:

[0073]

[0074] 0<D i ≤m,D i ≥βE i , 0≤S i ≤S max

[0075] 1≤T≤T max , T=1+γln(t+1)

[0076] Where S is the evaluation result of the steel formwork surface, T is the time coefficient, n is the number of defects on the steel formwork surface, and w is i is the weight of the i-th defect, w j is the weight of the j-th defect, C ij is the interaction coefficient matrix between defects, D i is the spatial distribution coefficient of the i-th defect, D j is the spatial distribution coefficient of the jth type of defect, S i is the quantitative score of the i-th defect, S j is the quantitative score of the j-th defect, a i is the lower limit of the weight of the i-th defect, b i The upper limit of the weight of the i-th defect, r ij is the weight correlation coefficient, k is the upper limit of the interaction coefficient matrix, is the initial interaction coefficient of the i-th and j-th defects, a is the adjustment coefficient of the dynamic adjustment of the interaction coefficient, p is the threshold of the dynamic adjustment of the interaction coefficient, m is the upper limit of the spatial distribution coefficient, E i is the cumulative spatial distribution coefficient of the i-th type of defect, β is the dynamic adjustment coefficient, S max is the upper limit of the quantitative score of the i-th defect, T max is the upper limit of the time coefficient, γ is the growth coefficient in the time coefficient growth model, and t is the service life of the steel formwork.

[0077] In this embodiment, w i is the weight of the i-th type of defect, which is determined based on actual experience or expert judgment to ensure that this type of defect has a certain minimum importance in the comprehensive evaluation. j is the weight of the jth defect, which limits the weight of this defect to not be too high and ensures the rationality of weight distribution. ij is the weight correlation coefficient, which is used to measure the correlation between the weight of the i-th defect and the j-th defect of the i-th defect, and constrain the influence of the change of the weight of the related defect category on the weight of the target defect category. k is the upper limit of the interaction coefficient matrix, which prevents the interaction between different defects from being over-exaggerated and ensures the reasonable evaluation of the interaction effect. a is the adjustment coefficient of the dynamic adjustment of the interaction coefficient, which is used to control the increase of the interaction coefficient when the severity of the two types of defects reaches a certain level. m is the upper limit of the spatial distribution coefficient, which avoids abnormal fluctuations in the comprehensive score due to defect distribution factors. E i is the cumulative spatial distribution coefficient of the i-th type of defect. Considering the accumulation of defects in different areas of the steel template, when the number or severity of the i-th type of defects in the local area exceeds a certain threshold, the coefficient will increase. β is the dynamic adjustment coefficient, which is used to constrain the relationship between the spatial distribution coefficient of the defect and the cumulative spatial distribution coefficient, reflecting the greater impact of the concentrated distribution of defects on the surface strength. max is the upper limit of the quantification score of the i-th defect, to prevent the distortion of the comprehensive score due to excessive quantification of individual defects. max is the upper limit of the time coefficient, which avoids the unlimited growth of the time coefficient and ensures the reasonable modeling of the influence of time on defects. γ is the growth coefficient in the time coefficient growth model, which controls the speed at which the time coefficient grows with the use time of the steel formwork. The evaluation result equation group of the steel formwork surface can accurately solve the evaluation result of the steel formwork surface to improve the accuracy of the comprehensive performance evaluation result of the final steel formwork material.

[0078] In one embodiment of the present invention, the preset comprehensive performance evaluation model of the steel formwork material is a convolutional neural network model.

[0079] In addition, an embodiment of the present invention further provides a construction method of a hollow thin-walled pier suspended formwork, based on any of the above hollow thin-walled pier suspended formwork, the method comprising:

[0080] Use a tower crane to hoist the outer mold assembly 2 and the inner mold assembly 3 to the working surface on the cap, and install the support assembly 1;

[0081] The front-to-rear distance of the outer mold assembly 2 is adjusted by using a moving device disposed on the truss 11, and the verticality of the outer mold assembly 2 is adjusted by adjusting the tilt angle of the support rod 12;

[0082] After completing the pouring of the hollow thin-walled pier at the current stage, the steel formwork of the outer formwork assembly 2 and the inner formwork assembly 3 are separated from the concrete wall, and the outer formwork assembly 2 and the inner formwork assembly 3 are lifted to the next working surface by a tower crane.

[0083] It can be understood that the construction method of the hollow thin-walled pier suspended formwork provided in this embodiment and the hollow thin-walled pier suspended formwork provided in the above embodiment are based on the same inventive concept, so the two have the same beneficial effects and will not be repeated here.

[0084] It should be noted that, in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0085] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hollow thin-walled pier suspended formwork, characterized in that: The invention comprises a support assembly (1) arranged on the outside of a hollow thin-walled pier, an outer mold assembly (2) connected to the support assembly (1), and an inner mold assembly (3) arranged on the inside of the hollow thin-walled pier, wherein a space formed between the outer mold assembly (2) and the inner mold assembly (3) is used for pouring concrete to form a hollow thin-walled pier, wherein: The support assembly (1) comprises an inclined truss (11) and a support rod (12); one end of the truss (11) is fixed to a hollow thin-walled pier, and the other end is connected to one end of the support rod (12); the other end of the support rod (12) is connected to the outer mold assembly (2); and the verticality of the outer mold assembly (2) is adjusted by adjusting the inclination angle of the support rod (12); After the casting of the hollow thin-walled pier at the current stage is completed, the steel formworks of the outer formwork assembly (2) and the inner formwork assembly (3) are separated from the concrete wall, and the outer formwork assembly (2) and the inner formwork assembly (3) are hoisted to the next working surface using a tower crane.

2. The hollow thin-walled pier suspended formwork according to claim 1 is characterized in that: The truss (11) is provided with a moving device, one end of which is connected to the outer mold assembly (2), and the other end of which is connected to the bottom end of the support rod (12).

3. The hollow thin-walled pier suspended formwork according to claim 1 is characterized in that: The support assembly (1) further comprises an upper platform (13) and a lower platform (14) both of which are arranged on the outside of the outer mold assembly (2); the upper platform (13) is located above the support rod (12), and the lower platform (14) is located below the support rod (12).

4. The hollow thin-walled pier suspended formwork according to claim 1 is characterized in that: The inner mold assembly (3) comprises a detachable inner mold (31) and a disassembly block (32), and a frame assembly (33) and an adjustment assembly (34) arranged in the inner mold (31); the frame assembly (33) is used to support the inner mold (31); the adjustment assembly (34) is used to adjust the length and / or width of the inner mold (31); by removing the disassembly block (32) and using the adjustment assembly (34) to adjust the length and / or width of the inner mold (31), the inner mold (31) is separated from the concrete wall.

5. The hollow thin-walled pier suspended formwork according to claim 4 is characterized in that: The frame assembly (33) comprises a first frame (331) fixed to the inner side of the inner mold (31) and a second frame (332) located inside the first frame (331), and the adjustment assembly (34) is connected to the first frame (331) and the second frame (332) respectively.

6. The hollow thin-walled pier suspended formwork according to claim 5 is characterized in that: The inner mold assembly (3) also includes a shoulder beam (35), which is fixed to the bottom end of the first frame (331), and the shoulder beam (35) is used to be inserted into a reserved notch on the inner side of the hollow thin-walled pier.

7. The hollow thin-walled pier suspended formwork according to any one of claims 1 to 6, characterized in that: The comprehensive performance of the steel template material in the outer mold assembly (2) and the inner mold assembly (3) is pre-evaluated, and the comprehensive performance evaluation result of the steel template material is obtained in the following manner: Obtain the geometric parameters and material parameters of the steel formwork; Determine a three-dimensional geometric model of the steel formwork based on the geometric parameters and the material parameters; Meshing the three-dimensional geometric model of the steel template to obtain the meshed three-dimensional geometric model of the steel template; wherein the meshed three-dimensional geometric model of the steel template includes a plurality of mesh nodes; Inputting the corresponding comprehensive performance evaluation parameters into each node in the geometric model of the steel formwork after meshing to obtain a simulation model of the steel formwork material; wherein the comprehensive performance evaluation parameters include tensile strength, compressive strength, flexural strength, elastic modulus and toughness; Extracting features from the simulation model of the steel formwork material to obtain a multi-dimensional feature matrix; wherein the multi-dimensional feature matrix is ​​used to characterize the comprehensive performance of the steel formwork material in three-dimensional space; The multi-dimensional characteristic matrix is ​​input into a preset comprehensive performance evaluation model of the steel formwork material to obtain a comprehensive performance evaluation result of the steel formwork material.

8. The hollow thin-walled pier suspended formwork according to claim 7, characterized in that: After the multi-dimensional characteristic matrix is ​​input into a preset comprehensive performance evaluation model of the steel formwork material to obtain a comprehensive performance evaluation result of the steel formwork material, the method further includes: Acquire image data of steel formwork; Inputting the image data of the steel template into a preset steel template defect detection model to obtain the number and types of defects on the surface of the steel template; Inputting the number and types of defects on the surface of the steel template into the evaluation result equation group of the steel template surface to obtain the evaluation result of the steel template surface; Based on the evaluation result of the steel formwork surface and the comprehensive performance evaluation result of the steel formwork material, the comprehensive performance evaluation result of the final steel formwork material is determined.

9. The hollow thin-walled pier suspended formwork according to claim 8, characterized in that: The evaluation result equation group of the steel template surface is constructed by the following formula: a i ≤w i ≤b i ,w i ≥0, ∑ j≠i r ij w j ≤w i 0<C ij ≤k, 0<D i ≤m,D i ≥βE i ,0≤S i ≤S max 1≤T≤T max ,T=1+γln(t+1) Wherein, S is the evaluation result of the steel template surface, T is the time coefficient, n is the number of defects on the steel template surface, and w is i is the weight of the i-th defect, w j is the weight of the j-th defect, C ij is the interaction coefficient matrix between defects, D i is the spatial distribution coefficient of the i-th defect, D j is the spatial distribution coefficient of the jth type of defect, S i is the quantitative score of the i-th defect, S j is the quantitative score of the j-th defect, a i is the lower limit of the weight of the i-th defect, b i The upper limit of the weight of the i-th defect, r ij is the weight correlation coefficient, k is the upper limit of the interaction coefficient matrix, is the initial interaction coefficient of the i-th and j-th defects, a is the adjustment coefficient of the dynamic adjustment of the interaction coefficient, p is the threshold of the dynamic adjustment of the interaction coefficient, m is the upper limit of the spatial distribution coefficient, E i is the cumulative spatial distribution coefficient of the i-th type of defect, β is the dynamic adjustment coefficient, S max is the upper limit of the quantitative score of the i-th defect, T max is the upper limit of the time coefficient, γ is the growth coefficient in the time coefficient growth model, and t is the service life of the steel formwork.

10. A construction method for a hollow thin-walled pier suspended formwork, characterized in that: Based on the hollow thin-walled pier suspended formwork according to any one of claims 1 to 9, the method comprises: Using a tower crane, the outer mold assembly (2) and the inner mold assembly (3) are hoisted to the working surface on the base, and the support assembly (1) is installed; The front-to-rear distance of the outer mold assembly (2) is adjusted by using a moving device arranged on the truss (11), and the verticality of the outer mold assembly (2) is adjusted by adjusting the inclination angle of the support rod (12); After the casting of the hollow thin-walled pier at the current stage is completed, the steel formworks of the outer formwork assembly (2) and the inner formwork assembly (3) are separated from the concrete wall, and the outer formwork assembly (2) and the inner formwork assembly (3) are hoisted to the next working surface using a tower crane.

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