Formwork supporting structure

Abstract

The utility model discloses a formwork supporting structure which comprises a plurality of reinforcing devices, each reinforcing device comprises profile steel in a reinforced concrete member, first sleeves, second sleeves and threading steel bars, the first sleeves are symmetrically arranged on the two sides of the profile steel, one end of each threading steel bar is connected with the corresponding first sleeve, and the other end of each threading steel bar is connected with the corresponding second sleeve. And the other end of the threading steel bar is connected with the second sleeve. According to the utility model, the technical problem of forming holes in the section steel can be solved, the supporting force is increased for the template, the anti-seismic property is enhanced, and the sleeves can be remained in concrete, so that the supporting effect is continuously enhanced, and the construction safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction machinery, in particular to a template component device in a house construction project, and in particular to a template supporting structure. Background Art

[0002] In the field of construction, steel-concrete composite structure is an independent structural type in which steel is buried in reinforced concrete. Since steel is added to reinforced concrete, steel-concrete structure caters to the development of building structure with its outstanding advantages such as high bearing capacity, light weight, material saving and good seismic performance. However, this kind of concrete component with steel added to reinforced concrete also brings new problems to the support of formwork during construction. For example, in the construction of conventional reinforced concrete structure, the formwork can be fixed with tension bolts. But in the construction of steel-concrete structure, it is usually not allowed to open holes on the steel, which brings certain difficulties to the support and reinforcement of the formwork system. Utility Model Content

[0003] In view of this, an embodiment of the utility model provides a formwork support structure, which can avoid the use of bolts passing through steel sections while ensuring the support and reinforcement function of the formwork support structure.

[0004] To achieve the above-mentioned purpose, according to one aspect of an embodiment of the utility model, a formwork support structure is provided, characterized in that it includes: a plurality of reinforcement devices, wherein each reinforcement device includes a steel section, a first sleeve, a second sleeve, and threaded steel bars in a reinforced concrete member, wherein the first sleeve is symmetrically arranged on both sides of the steel section, wherein one end of the threaded steel bar is connected to the first sleeve, and the other end of the threaded steel bar is connected to the second sleeve.

[0005] Optionally, the steel section is an H-shaped steel section, and the H-shaped steel section includes a web plate and flange plates on both sides, and the web plate and the flange plates are welded to form the H-shaped steel section.

[0006] Optionally, the size of the first sleeve is equal to half of the second sleeve.

[0007] Optionally, the first sleeve is symmetrically welded to the flange plate of the steel section.

[0008] Optionally, the first sleeve is symmetrically welded to the web of the steel section.

[0009] Optionally, the first sleeves of the plurality of reinforcement devices are symmetrically arranged at different positions of the flange plate of the same steel section.

[0010] Optionally, the multiple threaded steel bars of the multiple reinforcement devices are parallel to each other in the vertical direction.

[0011] Optionally, the threaded steel bars are arranged on the flange plate of the same steel section at equal or unequal intervals in the vertical direction.

[0012] Optionally, the first sleeves overlap each other in a vertical direction.

[0013] Optionally, the second sleeves overlap each other in a vertical direction.

[0014] One embodiment of the above utility model has the following advantages or beneficial effects:

[0015] The utility model innovatively combines a straight thread straight barrel and a threaded steel bar, thereby creatively grafting and utilizing the straight thread sleeve and the threaded steel bar, and applying the steel bar straight thread mechanical connection to formwork reinforcement, thereby solving the difficult problem of prohibiting opening holes on steel sections at special locations in formwork reinforcement projects, thereby ensuring the safety and stability of the structural system; the sleeve in the sleeve screw can ultimately be effectively retained in the engineering structure, thereby additionally enhancing the safety and stability of the structural system; the connecting screw can be reused, thereby reducing engineering costs.

[0016] The further effects of the above-mentioned non-conventional optional manner will be described below in conjunction with the specific implementation manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to better understand the present invention and do not constitute an improper limitation on the present invention.

[0018] Figure 1 It is a product forming diagram after the sleeve screw is used to reinforce the template on the steel flange plate in accordance with the embodiment of the utility model, and the template is cast in sections, connected and removed;

[0019] Figure 2 It is a cross-sectional view of a steel section according to an embodiment of the utility model;

[0020] Figure 3 is a schematic diagram of the connection between the steel flange plate and the first sleeve according to an embodiment of the utility model;

[0021] Figure 4 It is a schematic diagram of connecting a steel flange plate with a threaded steel bar and a second sleeve according to an embodiment of the utility model;

[0022] Figure 5 It is a schematic elevation view of a formwork reinforced with a sleeve screw on a steel flange plate according to an embodiment of the utility model;

[0023] Figure 6 It is a plan view of using sleeve screws to reinforce the formwork on the steel flange plate according to an embodiment of the utility model;

[0024] Figure 7It is a plan view of the embodiment of the utility model after the formwork is removed by using a sleeve screw to reinforce the formwork on the steel flange plate;

[0025] Figure 8 It is a schematic diagram of a segmented casting formwork connected to a high elevation using a sleeve screw to reinforce the formwork on a steel flange plate according to an embodiment of the utility model. DETAILED DESCRIPTION

[0026] The following is a description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, including various details of the embodiments of the present invention to facilitate understanding, which should be considered as merely exemplary. Therefore, it should be recognized by those of ordinary skill in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present invention. Similarly, for clarity and conciseness, descriptions of well-known functions and structures are omitted in the following description. In addition, identical or similar reference numerals represent identical or similar structures.

[0027] The embodiment of the utility model effectively avoids the technical problem of opening holes in the steel section, and at the same time increases the support strength of the template and enhances the earthquake resistance. At the same time, the sleeve can be left in the concrete, thereby continuing to strengthen the support function and increasing the safety of construction. The connecting screw can be repeatedly used in the subsequent cycle process, saving costs. The embodiment of the utility model includes a template support structure.

[0028] In the present utility model, Figure 1 It is a product forming diagram after the sleeve screw is used to reinforce the template on the steel flange plate in accordance with the embodiment of the utility model, and the template is cast in sections, connected and removed; Figure 2 It is a cross-sectional view of a steel section according to an embodiment of the utility model; Figure 3 is a schematic diagram of the connection between the steel flange plate and the first sleeve according to an embodiment of the utility model; Figure 4 It is a schematic diagram of connecting a steel flange plate with a threaded steel bar and a second sleeve according to an embodiment of the utility model; Figure 5 It is a schematic elevation view of a formwork reinforced with a sleeve screw on a steel flange plate according to an embodiment of the utility model; Figure 6 It is a plan view of using sleeve screws to reinforce the formwork on the steel flange plate according to an embodiment of the utility model; Figure 7 It is a plan view of the embodiment of the utility model after the formwork is removed by using a sleeve screw to reinforce the formwork on the steel flange plate; Figure 8 It is a schematic diagram of a segmented casting formwork connected to a high elevation using a sleeve screw to reinforce the formwork on a steel flange plate according to an embodiment of the utility model.

[0029] The following will refer to Figure 1-Figure 8 The template support structure of the embodiment of the utility model is specifically described.

[0030] first, Figure 1 This is a product forming diagram after the sleeve screw is used to reinforce the template on the steel flange plate in accordance with the embodiment of the utility model, and the segmented casting template is connected and the template is removed. Figure 1 The utility model shows the formwork support structure, that is, the formwork support structure which utilizes the formwork support device to support the formwork and then remove the formwork for product forming.

[0031] First, if Figure 1 The final formwork support structure of the utility model is illustrated. The formwork support structure of the utility model comprises: a plurality of reinforcement devices, wherein each reinforcement device comprises a steel section, a first sleeve, a second sleeve, and threaded steel bars in a reinforced concrete member, wherein the first sleeve is symmetrically arranged on both sides of the steel section, wherein one end of the threaded steel bar is connected to the first sleeve, and the other end of the threaded steel bar is connected to the second sleeve.

[0032] Specifically, each reinforcement device included in the formwork support structure includes a steel section in the reinforced concrete 2, a first sleeve 4, a second sleeve 5, and a threaded steel bar 11, wherein the first sleeve 4 is symmetrically arranged on both sides of the steel section, wherein one end of the threaded steel bar 11 is connected to the first sleeve 4, and the other end of the threaded steel bar 11 is connected to the second sleeve 5.

[0033] from Figure 1 It can be seen that the first sleeves of the plurality of reinforcement devices are symmetrically arranged at different positions of the flange plate of the same steel section. The plurality of threaded steel bars of the plurality of reinforcement devices are parallel to each other in the vertical direction. The threaded steel bars are arranged on the flange plate of the same steel section at equal or unequal intervals in the vertical direction. The first sleeves overlap each other in the vertical direction. The second sleeves overlap each other in the vertical direction.

[0034] Next, the utility model first refers to Figure 1-Figure 7 Describe the specific formwork support device and related structural features.

[0035] For the steel section of the utility model, please refer to Figure 2 , Figure 2 1 is a cross-sectional view of a steel section according to an embodiment of the present utility model. Figure 2 As shown, the steel in the steel concrete structure is usually H-shaped steel. The H-shaped steel of the utility model embodiment may include a web 3-1 and a flange plate 3-2, wherein the flange plates 3-2 are located on both sides of the web 3-1, and the H-shaped steel is welded by the web 3-1 and the flange plates 3-2 on both sides.

[0036] In the present invention, there are two ways to connect the sleeve of the embodiment of the present invention with the steel section of the embodiment of the present invention. The sleeve can be connected to the web 3-1 of the steel section or the flange plates 3-2 on both sides. Figure 3 , showing an example in which the sleeve can be connected to the flange plates 3-2 on both sides of the steel section. Figure 3 Schematic diagram of the connection between the steel flange plate and the first sleeve according to an embodiment of the utility model. Figure 3 As shown, the first sleeve 4 is symmetrically welded on the flange plate 3-2 of the steel section. Similarly, the first sleeve 4 can also be symmetrically welded on the web plate 3-1 of the steel section. In order to avoid duplication of content, it is not shown in this figure.

[0037] Next, Figure 4 It is a schematic diagram of connecting the steel flange plate with the threaded steel bar and the second sleeve according to an embodiment of the utility model.

[0038] like Figure 4 As shown, the threaded steel bar 11 and the second sleeve 5 (i.e., the entire sleeve) are screwed onto the steel flange plate of the embodiment of the utility model. Specifically, after the steel bars are tied around the steel concrete member, the first sleeve 4 on the steel flange plate 3-2 is connected to the threaded steel bar 11 (i.e., the threaded steel bar). Among them, steel bars are also arranged around the steel, and the steel bars include vertical main bars 21, transverse main bars 22, and stirrups 23. Here, when these steel bars around the steel conflict with the position of the threaded steel bar 11, the steel bars need to be slightly moved to make room for the sleeve steel bar 11, and then the threaded steel bar 11 is connected and tightened with the first sleeve 4 welded on the steel flange plate 3-2 through a special wrench. At the same time, the position of the sleeve steel bar 11 is appropriately corrected, and the second sleeve 5 at the other end of the sleeve steel bar 11 is tightened and half of the thread mouth is reserved for standby.

[0039] Next, the utility model is based on Figure 5 and Figure 6 To illustrate the formwork support device including the sleeve screw in the embodiment of the utility model.

[0040] Figure 5 It is a schematic elevation view of a formwork reinforced with a sleeve screw on a steel flange plate according to an embodiment of the utility model. Figure 6 It is a schematic elevation diagram of a sleeve screw used to reinforce a formwork on a steel web according to an embodiment of the utility model. As shown in 5 and 6, the sleeve screw of the embodiment of the utility model includes a first sleeve 4, a second sleeve 5, a threaded steel bar 11, and a connecting screw 1, wherein one end of the threaded steel bar 11 can be connected to the first sleeve 4, and the other end of the threaded steel bar 11 can be connected to the connecting screw 1 through the second sleeve 5. For example, the connecting screw 1 can be a high-strength screw specially used for formwork reinforcement. The size of the first sleeve 4 can be equal to half the size of the second sleeve 5. That is, for a unified sleeve model, the second sleeve 5 is a whole sleeve, and the first sleeve 4 is half a sleeve. In the utility model, the threaded steel bar 11 is not completely covered by the sleeve. The sleeve includes a first sleeve 4 and a second sleeve 5.

[0041] Specifically, if Figure 5As shown, for example, sleeve screws are used to reinforce the formwork on the steel flange. Figure 5 In the reinforced concrete component, there are steel sections in the reinforced concrete component and concrete structures 2 in the reinforced concrete component. In the utility model, the reinforcement device includes steel sections in the reinforced concrete component, threaded steel bars 11, a first sleeve 4, a second sleeve 5, a connecting screw 1 and a forming template. The steel sections include a web 3-1 and a flange plate 3-2, and the web 3-1 is welded with the flange plates 3-2 at both ends to form an H-shaped steel. The forming template includes a panel 6, a secondary keel 7 and a main keel 8, and the forming template can be, for example, a steel template. The connecting screw 1 can be, for example, a high-strength screw specially used for template reinforcement. The first sleeve 4 (half sleeve), the second sleeve 5 (the whole sleeve), the threaded steel bars 11 and the connecting screw 1 constitute the four parts of the aforementioned sleeve screw, and the specifications of these parts can be selected and kept consistent according to the template design results.

[0042] The utility model also determines the specifications of the connecting screws, threaded steel bars, sleeves and the exact position of each connecting screw according to the formwork support force verification and dimension drawing, and explains the position of the connecting screws to the steel processing factory. When the steel is processed in the factory, half of the sleeve 4 is welded to the flange plates 3-2 on both sides of the H-shaped steel according to the designed position. In the utility model, the connecting screws can be high-strength screws specially used for formwork reinforcement.

[0043] In the present invention, the first sleeve in the sleeve screw is symmetrically welded on the flange plate of the steel section (or the web plate of the steel section, not shown), one end of the threaded steel bar is connected to the flange plate through the first sleeve, the other end of the threaded steel bar is connected to one end of the connecting screw through the second sleeve, and the outer end of the connecting screw is fixed to the shaping template through a nut and a gasket. Specifically, the sleeve screw is symmetrically arranged on both sides of the steel section, and the connecting screw 1 of the sleeve screw is fixed on the shaping template. Further, the first sleeve 4 (half sleeve) is symmetrically welded on the flange plate 3-2 of the steel section, and the two ends of the steel bar are threaded to form a threaded steel bar 11. For example, one end of the threaded steel bar 11 can be connected to the steel section flange plate 3-2 in the reinforced concrete component structure through the first sleeve 4 (half sleeve), and the other end of the threaded steel bar 11 can be connected to one end of the connecting screw 1 (for example, a high-strength screw specially used for template reinforcement) through the second sleeve 5 (whole sleeve) close to the inner skin of the template panel. The outer end of the connecting screw rod 1 can be fixed on the main keel 8 of the forming template through a nut 10 and a gasket 9, for example.

[0044] In the embodiment of the utility model, the threaded steel bars constituting the sleeve screw are cut according to the design size (threaded steel bar length = distance from the steel section to the surface of the reinforced concrete member - 0.5 × length of the second sleeve 5), and the two ends of the steel bars to be threaded are threaded, such as straight thread threading. One end of the threaded steel bar 11 is brushed with oil for protection, and the other end is used as a standby for installing the second sleeve 5. In this way, the reinforcement of the template is completed by the straight thread first sleeve, the straight thread second sleeve 5, the threaded steel bar 11 and the connecting screw 1.

[0045] Next, Figure 6 This is a schematic diagram of the utility model of using sleeve screws to reinforce the template on the steel flange plate. Figure 6 In the reinforced concrete component, there are steel sections in the reinforced concrete component and concrete structures 2 in the reinforced concrete component. In the utility model, the reinforcement device includes steel sections in the reinforced concrete component, threaded steel bars 11, a first sleeve 4, a second sleeve 5, a connecting screw 1 and a forming template. The steel sections include a web 3-1 and a flange plate 3-2, and the web 3-1 is welded with the flange plates 3-2 at both ends to form an H-shaped steel. The forming template includes a panel 6, a secondary keel 7 and a main keel 8, and the forming template can be, for example, a steel template. The connecting screw 1 can be, for example, a high-strength screw specially used for template reinforcement. The first sleeve 4 (half sleeve), the second sleeve 5 (the whole sleeve), the threaded steel bars 11 and the connecting screw 1 constitute the four parts of the aforementioned sleeve screw, and the specifications of these parts can be selected and kept consistent according to the template design results.

[0046] In the present invention, the first sleeve in the sleeve screw is symmetrically welded to the flange plate of the steel section (or the web of the steel section, not shown), one end of the threaded steel bar is connected to the flange plate through the first sleeve, the other end of the threaded steel bar is connected to one end of the connecting screw through the second sleeve, and the outer end of the connecting screw is fixed to the forming template through a nut and a gasket. Specifically, the sleeve screws are symmetrically arranged on both sides of the steel section, and the connecting screw 1 of the sleeve screw is fixed to the forming template. Furthermore, the first sleeve 4 (half sleeve) is symmetrically welded to the steel section flange plate 3-2, and the two ends of the steel bar are threaded to form a threaded steel bar 11. For example, one end of the threaded steel bar 11 can be connected to the steel section flange plate 3-2 in the reinforced concrete component structure through a half sleeve, and the other end of the threaded steel bar 11 can be connected to one end of the connecting screw 1 through a second sleeve 5 that is close to the inner skin of the template panel. The outer end of the connecting screw 1 (a high-strength screw specially used for template reinforcement) can be fixed to the main keel 8 of the finalized template by means of a nut 10 and a gasket 9, for example.

[0047] In the embodiment of the utility model, the threaded steel bars constituting the sleeve screw are cut according to the design size (threaded steel bar length = distance from the steel section to the surface of the reinforced concrete member - 0.5 × length of the second sleeve), and the two ends of the steel bars to be threaded are threaded, such as straight thread threading. One end of the threaded steel bar 11 is brushed with oil for protection, and the other end is used as a standby for installing the second sleeve 5. In this way, the reinforcement of the template is completed by the straight thread first sleeve, the straight thread second sleeve 5, the threaded steel bar 11 and the connecting screw 1.

[0048] exist Figure 6 In addition to the above-mentioned formwork support device (corresponding to the above-mentioned steel section position), outside the steel section position, the formwork reinforcement usually adopts tension bolts 12, and the tension bolts 12 are fixed to the main keel 8 of the fixed formwork by nuts 14 and pads 13, for example. Moreover, a PVC sleeve 15 is used on the outside of the tension bolts 12 to prevent the tension bolts 12 from bonding with the concrete 2 during concrete pouring, thereby facilitating the tension bolts 12 to be pulled out of the concrete 2 and reused.

[0049] Figure 7 This is a schematic plan view of the embodiment of the utility model after the formwork is removed by using a sleeve screw to reinforce the formwork on the steel flange plate. Figure 7 As shown in the figure, the situation after the formwork is removed by reinforcing the formwork with sleeve screws on the flange plate of the steel section, it can be clearly seen that the embodiment of the utility model has significant progress compared with the prior art. Specifically, after the concrete strength meets the requirements for formwork removal, the high-strength screw (i.e. the aforementioned connecting screw 1) for reinforcing the outer section formwork is first unscrewed from the second sleeve 5, and then the fixed formwork is removed. However, after the fixed formwork is removed, the flange plate and web of the steel section are left in the concrete 2, and the threaded steel bars 11, the first sleeve 4 (half sleeve) and the second sleeve 5 (the whole sleeve) on both sides of the steel section can also be left in the concrete, thereby continuing to strengthen the support effect and increase the safety of construction. At the same time, the connecting screw and the fixed formwork can be repeatedly used in the subsequent cycle process, saving costs, avoiding the need to prepare equipment again, and having good economic value. In addition, outside the position range of the steel section, the tension screw and the PVC sleeve 15 are still used and remain in the concrete 2. Further, after the formwork is completely removed, the second sleeve 5 can be filled with cement mortar, for example, to play a good sealing role.

[0050] Through the embodiments of the utility model, the utility model can effectively avoid the technical problem of opening holes in steel sections, while increasing the supporting strength of the formwork, enhancing the seismic resistance, and increasing the flexibility and convenience of construction, with unexpected technical effects.

[0051] Furthermore, the above-mentioned formwork support device can also be reused in concrete. Here, the case of using sleeve screws to reinforce the formwork on the steel flange plate is used as an example for explanation. Figure 8 and the aforementioned Figure 1 Provide specific instructions.

[0052] Figure 8 This is a schematic diagram of the use of sleeve screws to reinforce the formwork on the steel flange plate according to the embodiment of the utility model to cast the formwork in sections and connect the high elevation. As mentioned above, Figure 1 It is a product forming diagram after the implementation of the segmented casting formwork, connecting and removing the formwork using sleeve screws to reinforce the formwork on the steel flange plate according to the embodiment of the utility model, which also shows the final formwork supporting structure.

[0053] like Figure 8 As shown, after the lower concrete 3 pouring project using the above-mentioned formwork support device is completed, when pouring the upper concrete 2, the uppermost row of sleeves on the outer side of the lower reinforced concrete 3 component is protected. When supporting the formwork of the upper reinforced concrete 2 component, the second sleeve 5 buried in the lower reinforced concrete 3 will be used to reinforce the lower mouth of the formwork when supporting the formwork of the upper concrete 2. This operation can be cycled in sequence to meet the needs of formwork support of different depths. The operation is simple and fast, and the equipment can be reused, reducing the project cost. At the same time, the device structure used overcomes the problem of steel opening in traditional technology in China, and also increases the safety and stability of the structural system, with unexpected technical effects.

[0054] Further combining Figure 1 ,like Figure 1 As shown, after the product of the embodiment of the utility model is formed and the formwork is completely removed, the flange plate 3-2 of the steel section and the web plate 3-1 of the steel section are retained in the concrete structure 2, the first sleeve 4 welded on the flange plate 3-2 of the steel section, and the threaded steel bars 11 connected to the first sleeve 4 and the second sleeve 5 by thread. In the final drawing of the embodiment of the utility model, a plurality of first sleeves 4 are welded at different positions of the left or right flange plate 3-2 of the entire steel section. Specifically, for the left flange plate 3-2, a plurality of first sleeves 4 overlap each other in the vertical direction, a plurality of second sleeves 5 overlap each other in the vertical direction, a plurality of threaded steel bars 11 are arranged at equal or unequal intervals in the vertical direction, and a plurality of threaded steel bars 11 are parallel to each other in the vertical direction. Similarly, for the right side flange plate 3-2, multiple first sleeves 4 overlap each other in the vertical direction, multiple second sleeves 5 overlap each other in the vertical direction, multiple threaded steel bars 11 are arranged on the flange plate 3-2 of the same steel section with equal or unequal spacing in the vertical direction, and the multiple threaded steel bars 11 are parallel to each other in the vertical direction.

[0055] The formwork support structure of the utility model can not only solve the technical problem of opening holes in steel sections, but also increase the support strength of the formwork and enhance the earthquake resistance. Moreover, the sleeves can be left in the concrete, thereby continuing to strengthen the support effect and increasing the safety of construction.

[0056] The above specific implementations do not constitute a limitation on the protection scope of the present utility model. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may occur depending on design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A formwork support structure, characterized in that: include: A plurality of reinforcement devices, each of which comprises a steel section, a first sleeve, a second sleeve, and threaded steel bars in a reinforced concrete member, wherein the first sleeve is symmetrically arranged on both sides of the steel section, wherein one end of the threaded steel bar is connected to the first sleeve, and the other end of the threaded steel bar is connected to the second sleeve.

2. The formwork support structure according to claim 1, characterized in that: The steel is an H-shaped steel, which includes a web and flange plates on both sides. The web and the flange plates are welded to form the H-shaped steel.

3. The formwork support structure according to claim 1, characterized in that: The size of the first sleeve is equal to half of the size of the second sleeve.

4. The formwork support structure according to claim 2, characterized in that: The first sleeve is symmetrically welded to the flange plate of the steel section.

5. The formwork support structure according to claim 2, characterized in that: The first sleeve is symmetrically welded on the web of the steel section.

6. The formwork support structure according to claim 2, characterized in that: The first sleeves of the plurality of reinforcing devices are symmetrically arranged at different positions of the flange plate of the same steel section.

7. The formwork support structure according to claim 2, characterized in that: The plurality of threaded steel bars of the plurality of reinforcement devices are parallel to each other in a vertical direction.

8. The formwork support structure according to claim 2, characterized in that: The threaded steel bars are arranged on the flange plate of the same steel section at equal or unequal intervals in the vertical direction.

9. The formwork support structure according to claim 2, characterized in that: The first sleeves overlap each other in a vertical direction.

10. The formwork support structure according to claim 2, characterized in that: The second sleeves overlap each other in a vertical direction.

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