Construction process of V-shaped steel columns for use in school rooftop running tracks

Abstract

This application relates to a construction process for V-shaped steel columns used in school rooftop running tracks, including the following construction steps: V-shaped steel column assembly and transportation: Prefabricated steel plates are welded together to form several symmetrically arranged connecting node steel columns and inclined steel columns. These connecting node steel columns and inclined steel columns are then transported to the construction site in sections. V-shaped steel column hoisting: The cross-sections of the connecting node steel columns and inclined steel columns are welded together. Several anchor bolts are installed as embedded parts on the foundation surface. The V-shaped steel columns are hoisted to the foundation surface, and the anchor bolts pass through the grouting layer and are anchored to the bottom of the V-shaped steel columns. Inclined load-bearing of the connecting node steel columns: Multi-position balancing components are installed between the symmetrically arranged connecting node steel columns to form multi-position force-balanced supports. This application achieves the technical effect of enhancing the structural stability and load-bearing capacity of the V-shaped steel columns, and improving the construction efficiency and safety of school rooftop running tracks.

Description

Technical Field

[0001] This application relates to the technical field of steel column installation and construction, and in particular to a construction process for applying V-shaped steel columns to a school rooftop running track. Background Technology

[0002] In current school projects, there is a growing demand for building functionality and space utilization. Traditional building structures face numerous challenges in meeting these demands. The trend of placing sports facilities, such as running tracks, on rooftops presents new challenges for structural design and construction.

[0003] Existing technologies using straight concrete or steel columns may suffer from insufficient lateral stiffness and relatively limited seismic performance when supporting structures with dynamic loads, such as rooftop running tracks. To achieve sufficient load-bearing capacity and stability, straight columns often have larger cross-sectional dimensions and self-weight, which not only increases foundation load and construction costs but also encroaches on valuable space beneath the track. Especially for school projects, the space beneath rooftop running tracks often needs to accommodate multiple functions such as lighting and equipment / pipeline layout, which traditional columns cannot efficiently release and utilize. Although existing technologies have enabled the application of steel structures in buildings to some extent, they still have limitations in addressing the complex loads, seismic performance, space utilization efficiency, and construction efficiency issues faced by rooftop running tracks. For example, to achieve the same load-bearing capacity and stiffness as V-shaped steel columns, their self-weight and cross-sectional dimensions are often larger, thus occupying more space and increasing the overall structural weight, which is not conducive to lightweight design.

[0004] In view of the above-mentioned technologies, it is necessary to propose a construction process for applying V-shaped steel columns to school rooftop running tracks in order to solve one of the above-mentioned technical problems. Summary of the Invention

[0005] To address one of the aforementioned technical problems, this application provides a construction process for applying V-shaped steel columns to school rooftop running tracks.

[0006] This application provides a construction process for applying V-shaped steel columns to school rooftop running tracks, employing the following technical solution:

[0007] A construction process for using V-shaped steel columns in a school rooftop running track includes the following steps:

[0008] The V-shaped steel columns are assembled and transported by welding prefabricated steel plates into several symmetrically arranged connecting node steel columns and inclined steel columns. The two symmetrically arranged inclined steel columns are assembled by welding several stiffening plates and welded together by setting reinforcement plates. The connecting node steel columns and inclined steel columns are transported to the construction site in sections.

[0009] The V-shaped steel column hoisting process involves welding the cross-sections of the connecting node steel column and the inclined steel column. Several anchor bolts are installed on the foundation surface as pre-embedded parts. The V-shaped steel column is hoisted to the foundation surface, and a grouting layer is installed between the bottom of the V-shaped steel column and the foundation surface. The anchor bolts pass through the grouting layer and are anchored to the bottom of the V-shaped steel column.

[0010] The connecting node steel column is inclined to bear load. A multi-position balancing member is provided between the symmetrically arranged connecting node steel columns. The multi-position balancing member extends to several connecting ends, which are respectively connected to the connecting node steel column and the inclined steel column to form a multi-position force balance support.

[0011] By adopting the above technical solution, in the assembly and transportation of V-shaped steel columns, prefabricated steel plates are welded together to form connecting node steel columns and inclined steel columns. Stiffening plates are welded between the two symmetrical inclined steel columns, enhancing the structural strength and stability of the inclined steel columns. Segmented transportation facilitates the transport of large V-shaped steel columns to the construction site, improving transportation efficiency and reducing transportation difficulty. In the V-shaped steel column hoisting step, the connecting node steel columns are welded to the cross-sections of the inclined steel columns to form a complete V-shaped steel column structure. Anchor bolts are installed on the foundation surface as embedded parts, and a grouting layer is installed between the bottom of the V-shaped steel column and the foundation surface, with the anchor bolts passing through the grouting layer. The grout layer is anchored to the bottom of the V-shaped steel column, which firmly fixes the V-shaped steel column to the foundation. The grout layer can fill the gaps, ensuring the tightness and stability of the connection and improving the load-bearing capacity of the V-shaped steel column. In the inclined bearing step of the steel column at the connection node, multi-position balancing members are set between the symmetrical steel columns at the connection node. Their connection ends are connected to the steel columns at the connection node and the inclined steel column respectively, forming a multi-position force balance support. This can effectively distribute the load borne by the V-shaped steel column, avoid excessive local stress, improve the overall stability and safety of the V-shaped steel column, and make the V-shaped steel column better adapt to the use requirements of the school roof running track.

[0012] Optionally, the V-shaped steel column assembly involves laying out lines on the ground and erecting an assembly platform. One of the cut side plates and the top and bottom plates are placed on the platform and spot-welded to form the lower box section of the V-shaped steel column. The bifurcated web plates are then assembled onto the side plates to form a U-shaped section. The U-shaped section is then closed with the other side plate to form a complete box section, which is then welded.

[0013] By adopting the above technical solution, laying out lines on the ground and erecting an assembly platform can provide precise positioning and a stable operating platform for the assembly of V-shaped steel columns. One side plate and the top and bottom plates, which have been cut, are placed on the platform and spot-welded to form the lower box section. This step-by-step assembly method facilitates the control of assembly accuracy and ensures that the size and shape of the lower box section meet the design requirements. The bifurcated web plates are assembled onto the side plates to form a U-shaped section, and then the other side plate is used to close the U-shaped section to form a complete box section and weld it. This makes the structure of the V-shaped steel column more stable and better able to withstand forces from all directions, ensuring that the V-shaped steel column has good stability and load-bearing capacity when it is subsequently used in school roof running tracks.

[0014] Optionally, the U-shaped cross-section is provided with a plurality of inner partitions, the plurality of inner partitions being arranged in different directions and respectively connected to the web of the bifurcation limb.

[0015] By adopting the above technical solution, several internal diaphragms with different orientations are set in the U-shaped section and are connected to the web of the bifurcated limbs respectively. The internal diaphragms with different orientations can provide support for the web of the bifurcated limbs from multiple angles. When the V-shaped steel column is subjected to external forces, these internal diaphragms can disperse and transfer stress, avoid stress concentration at a certain point or in a certain area, thereby enhancing the structural strength and stability of the U-shaped section, improving the overall load-bearing capacity and deformation resistance of the V-shaped steel column, and making the V-shaped steel column more reliable and safe when applied to school roof running tracks.

[0016] Optionally, the multi-position balancing component includes a bearing rod with a bearing sleeve rotatably mounted in multiple locations, several support rods, and a connecting block. The outer surfaces of several support rods are threaded to the inner wall of the bearing sleeve. An arc-shaped ring is provided at the end of each support rod. The connecting block is rotatably mounted on the arc-shaped ring. The connecting block serves as the connecting end of the multi-position balancing component and is connected to the connecting node steel column and the inclined steel column, respectively.

[0017] By adopting the above technical solution, the bearing rods of the multi-position balancing component are rotatably equipped with bearing sleeves at multiple locations. The outer surfaces of several support rods are threadedly connected to the inner walls of the bearing sleeves, allowing the position of the support rods to be adjusted via the threads to adapt to different installation requirements and stress conditions. The arc-shaped rings at the ends of the support rods allow the connecting blocks to be rotatably mounted on them. The connecting blocks, as connecting ends, are respectively connected to the steel columns at the connection nodes and the inclined steel columns, forming a multi-position force-balanced support. This structure can disperse and transmit the forces borne by the V-shaped steel columns, effectively enhancing the stability and load-bearing capacity of the V-shaped steel columns, reducing the risk of damage caused by localized stress concentration, and ensuring the safety and reliability of the V-shaped steel column structure of the school roof track.

[0018] Optionally, a stabilizing component is provided inside the welded section of the connecting node steel column and the inclined steel column. The connecting end of the stabilizing component is connected to the inner wall of the connecting node steel column and the inclined steel column respectively. This is used to stabilize the inclined steel column when the V-shaped steel column is vertical after welding, so that the inclined steel column can bear the tilting force of the connecting node steel column.

[0019] By adopting the above technical solution, stabilizing components are installed inside the welded sections of the connecting node steel column and the inclined steel column, and the connecting ends of the stabilizing components are connected to the inner walls of the connecting node steel column and the inclined steel column, respectively. When the V-shaped steel column is in a vertical state, the inclined steel column needs to bear the tilting force generated by the connecting node steel column. At this time, the stabilizing components can stabilize the connection between the inclined steel column and the connecting node steel column, enhance the stability of the connection between the two, and make the V-shaped steel column more robust and reliable when bearing the tilting force of the connecting node steel column. This reduces deformation and displacement caused by the tilting force, improves the overall load-bearing capacity and safety of the V-shaped steel column, and ensures the construction quality and stability of the school roof running track construction process using this V-shaped steel column.

[0020] Optionally, the stabilizing component includes an adjusting block disposed within the inclined steel column. Several adjusting slots are provided on both sides of the adjusting block. A supporting plate is oscillatingly disposed within the adjusting slot. A combined plate is rotatably attached to the end of the supporting plate. The combined plate is connected to the inner wall of the connecting node steel column.

[0021] By adopting the above technical solution, when the V-shaped steel column is vertical, the inclined steel column bears the inclined force of the connecting node steel column. The abutment plate can swing in the adjustment groove to adapt to different stress conditions. The inclined force of the connecting node steel column is transferred to the inclined steel column through the combined plate, thereby realizing the stability of the connecting node steel column in bearing the inclined force and improving the overall stability and bearing capacity of the V-shaped steel column.

[0022] Optionally, an arc-shaped plate is provided on the outside of the adjusting block and at the slot openings of several adjusting grooves. Several positioning holes are provided through the arc-shaped plate and the supporting plate, and positioning screws are threaded into the overlapping positioning holes.

[0023] By adopting the above technical solution, the swing angle of the abutment plate can be flexibly adjusted according to the magnitude and direction of the tilting force of the steel column at the connection node to adapt to different stress conditions. After the positioning screw is threadedly connected to the overlapping positioning hole, the abutment plate can be fixed in a suitable position, so that the abutment plate stably supports the combined plate, thereby enhancing the stabilizing effect on the tilting force of the steel column at the connection node and effectively improving the overall stability and load-bearing capacity of the V-shaped steel column.

[0024] Optionally, the inclined steel column has a butt frame in its inner cavity corresponding to the welding section, a plurality of butt grooves in its butt frame, a trapezoidal block in its butt groove, and a limiting space between the side of the trapezoidal block and the inner wall of the butt groove. The connecting node steel column has a plurality of inserts in its inner cavity corresponding to the welding section, the inserts having notches that fit the shape of the trapezoidal blocks, and both ends of the inserts being inserted into the limiting space.

[0025] By adopting the above technical solution, the structural stability of the welded joint between the connecting steel column and the inclined steel column can be enhanced. During the welding process, the fit between the trapezoidal block and the recess of the insert block, as well as the insertion of the insert block into the limiting space, makes the connection between the two more compact and precise, reducing positional deviation and shaking during welding, ensuring welding quality, and thus improving the stability and reliability of the entire V-shaped steel column under load, better meeting the structural strength and stability requirements of the school roof running track.

[0026] Optionally, magnetic absorbing pieces are provided on both sides of the trapezoidal block and on the inner sides of both ends of the insert block. The magnetic absorbing pieces attract each other and lock both ends of the insert block within the limiting space.

[0027] By adopting the above technical solution and utilizing the principle of mutual magnetic attraction of magnetic plates, the two ends of the insert block can be firmly locked in the limiting space, which strengthens the connection strength and stability at the welded section of the connecting node steel column and the inclined steel column, and improves the overall structural stability of the V-shaped steel column.

[0028] Optionally, a number of crossbars are provided between the two symmetrically arranged inclined steel columns. The ends of the crossbars are provided with reinforcing arc-shaped protrusions, and the arc-shaped protrusions are welded to the welding positions of the stiffening plates and the inclined steel columns.

[0029] By adopting the above technical solution, several crossbars are set between two symmetrically arranged inclined steel columns. Utilizing the mechanical properties of the crossbar structure, the load borne by the inclined steel columns can be effectively distributed and transferred, enhancing the connection stability between the inclined steel columns. At the same time, reinforcing arc-shaped protrusions are set at the ends of the crossbars and welded to the stiffening plates and the welding positions of the inclined steel columns, increasing the welding area, improving the connection strength, making the structure more robust, and further enhancing the stability and load-bearing capacity of the entire V-shaped steel column structure. This allows for better application in the construction of school rooftop running tracks, ensuring the safe use of the track.

[0030] In summary, this application includes at least one of the following beneficial technical effects:

[0031] 1. The V-shaped steel columns are assembled by welding prefabricated steel plates and transported to the construction site in sections, avoiding the cumbersome large-scale on-site assembly, effectively improving construction efficiency and shortening the overall construction cycle. A grouting layer is set between the bottom of the V-shaped steel column and the foundation surface, and anchored by anchor bolts, which improves the stability of the connection between the V-shaped steel column and the foundation surface. The U-shaped section is equipped with internal diaphragms arranged in different directions and connected to the web of the bifurcated limbs, which enhances the structural strength of the V-shaped steel column.

[0032] 2. The multi-position balancing component, through the cooperation of components such as bearing rods, support rods and connecting blocks, realizes functions such as multi-part rotation and threaded connection, which can disperse and balance the forces on the steel column and inclined steel column at the connection node, effectively solving the problem of insufficient inclined bearing capacity of the support structure in the existing technology;

[0033] 3. A stabilizing component is installed inside the welded section of the connecting node steel column and the inclined steel column, which can stabilize the inclined steel column and bear the tilting force of the connecting node steel column when the V-shaped steel column is vertical; the inclined steel column and the connecting node steel column are matched by a butt frame, trapezoidal block, insert block and other structures, and the trapezoidal block and insert block are magnetically locked by magnetic absorbing plate, which improves the connection stability at the welded section. Attached Figure Description

[0034] Figure 1 This is a three-dimensional view of a V-shaped steel column used in the construction process of a school rooftop running track, as described in this application.

[0035] Figure 2 This is a structural schematic diagram of an embodiment of the construction process of applying V-shaped steel columns to a school rooftop running track in this application.

[0036] Figure 3 yes Figure 2 A magnified schematic diagram of the structure at point A in the middle.

[0037] Figure 4 This is a schematic diagram of a second embodiment of the construction process of applying V-shaped steel columns to a school rooftop running track in this application.

[0038] Figure 5 yes Figure 4 Enlarged schematic diagram of the structure at point B.

[0039] Figure 6 This is a structural schematic diagram of Embodiment 3 of the construction process of applying V-shaped steel columns to a school rooftop running track in this application.

[0040] Figure 7 yes Figure 6 Enlarged schematic diagram of the structure at point C.

[0041] Figure 8This is a structural schematic diagram of the crossbar in the construction process of a V-shaped steel column applied to a school rooftop running track, as described in this application.

[0042] In the diagram: 1. Connecting node steel column; 2. Inclined steel column; 3. Stiffening plate; 4. Reinforcing plate; 5. Multi-position balancing component; 51. Bearing rod; 52. Bearing sleeve; 53. Support rod; 54. Connecting block; 55. Arc ring; 6. Assembly frame; 7. Side plate; 8. Top and bottom plate; 9. Bifurcation limb web plate; 10. Inner partition plate; 11. Stabilizing component; 111. Adjusting block; 112. Adjusting groove; 113. Support plate; 114. Combination plate; 115. Arc plate; 116. Positioning hole; 117. Positioning screw; 12. Docking frame; 121. Docking groove; 122. Trapezoidal block; 123. Magnetic plate; 13. Insert block; 131. Notch; 14. Cross rod; 15. Reinforcing arc protrusion. Detailed Implementation

[0043] The following is in conjunction with the accompanying drawings. Figures 1-8 This application will be described in further detail.

[0044] Example 1, Reference Figures 1-3 This application discloses a construction process for applying V-shaped steel columns to a school rooftop running track, including the following construction steps:

[0045] The V-shaped steel columns are assembled and transported by welding prefabricated steel plates into several symmetrically arranged connecting node steel columns 1 and inclined steel columns 2. The two symmetrically arranged inclined steel columns 2 are assembled by welding several stiffening plates 3 and welded together by setting reinforcement plates 4. The connecting node steel columns 1 and inclined steel columns 2 are transported to the construction site in sections.

[0046] The V-shaped steel column is hoisted by welding the cross-section of the connecting node steel column 1 and the inclined steel column 2. Several anchor bolts are set as embedded parts on the foundation surface. The V-shaped steel column is hoisted to the foundation surface, and a grouting layer is set between the bottom of the V-shaped steel column and the foundation surface. The anchor bolts pass through the grouting layer and are anchored to the bottom of the V-shaped steel column.

[0047] The connecting node steel column 1 is inclined to bear load. A multi-position balancing member 5 is provided between the symmetrically arranged connecting node steel columns 1. The multi-position balancing member 5 extends to several connecting ends, which are respectively connected to the connecting node steel column 1 and the inclined steel column 2 to form a multi-position force balance support.

[0048] In the assembly and transportation of V-shaped steel columns, prefabricated steel plates are welded together to form connecting node steel columns 1 and inclined steel columns 2. Stiffening plates 3 are welded between the two symmetrical inclined steel columns 2 to enhance the structural strength and stability of the inclined steel columns 2. Segmented transportation facilitates the transport of large V-shaped steel columns to the construction site, improving transportation efficiency and reducing transportation difficulty. In the hoisting step, connecting node steel columns 1 and inclined steel columns 2 are welded at their cross-sections to form a complete V-shaped steel column structure. Anchor bolts are installed on the foundation surface as embedded parts. A grouting layer is installed between the bottom of the V-shaped steel column and the foundation surface, and the anchor bolts pass through the grouting layer and are then installed in the V-shaped column. The bottom of the steel column is anchored, which firmly fixes the V-shaped steel column to the foundation. The grouting layer can fill the gaps, ensuring the tightness and stability of the connection and improving the load-bearing capacity of the V-shaped steel column. In the inclined bearing step of the connecting node steel column 1, a multi-position balancing member 5 is set between the symmetrical connecting node steel columns 1. Its connecting end is connected to the connecting node steel column 1 and the inclined steel column 2 respectively, forming a multi-position force balance support. This can effectively disperse the load borne by the V-shaped steel column, avoid excessive local stress, improve the overall stability and safety of the V-shaped steel column, and make the V-shaped steel column better adapt to the use requirements of the school roof running track.

[0049] In this embodiment, more specifically, the V-shaped steel column assembly involves laying out lines on the ground and erecting an assembly platform 6. One of the cut side plates 7 and top and bottom plates 8 are placed on the platform and spot-welded to form the lower box-shaped section of the V-shaped steel column. The bifurcated web plates 9 are assembled onto the side plate 7 to form a U-shaped section. The U-shaped section is then closed with the other side plate 7 to form a complete box-shaped section, which is then welded. Laying out lines on the ground and erecting the assembly platform 6 provides precise positioning and a stable operating platform for the assembly of the V-shaped steel column. One of the cut side plates 7... Side plates 7 and top and bottom plates 8 are placed on a platform and spot-welded to form the lower box section. This step-by-step assembly method facilitates the control of assembly accuracy and ensures that the size and shape of the lower box section meet the design requirements. The bifurcated web plates 9 are assembled on the side plates 7 to form a U-shaped section. Then, another side plate 7 is used to close the U-shaped section to form a complete box section and weld it. This makes the structure of the V-shaped steel column more stable and better able to withstand forces from all directions, ensuring that the V-shaped steel column has good stability and load-bearing capacity when it is subsequently applied to the school roof running track.

[0050] In this embodiment, more specifically, a plurality of inner partitions 10 are provided within the U-shaped cross-section. The inner partitions 10 are arranged in different directions and are connected to the bifurcated limb webs 9 respectively. The inner partitions 10 arranged in different directions can provide support to the bifurcated limb webs 9 from multiple angles. When the V-shaped steel column is subjected to external forces, these inner partitions 10 can disperse and transfer stress, avoiding stress concentration at a certain point or in a certain area, thereby enhancing the structural strength and stability of the U-shaped cross-section, improving the overall load-bearing capacity and deformation resistance of the V-shaped steel column, and making the V-shaped steel column more reliable and safe when applied to school roof running tracks.

[0051] In this embodiment, more specifically, the multi-position balancing component 5 includes a bearing rod 51 with a bearing sleeve 52 rotatably mounted at multiple locations, several support rods 53, and a connecting block 54. The outer surfaces of the several support rods 53 are threadedly connected to the inner wall of the bearing sleeve 52. An arc-shaped ring 55 is provided at the end of each support rod 53. The connecting block 54 is rotatably mounted on the arc-shaped ring 55. The connecting block 54 serves as the connecting end of the multi-position balancing component 5 and is connected to the connecting node steel column 1 and the inclined steel column 2 respectively. The bearing rod 51 of the multi-position balancing component 5 has a bearing sleeve 52 rotatably mounted at multiple locations, and the outer surfaces of the several support rods 53 are threadedly connected to the inner wall of the bearing sleeve 52. The support rod 53 is threadedly connected to the inner wall of the bearing sleeve 52, and its position can be adjusted by the thread to adapt to different installation requirements and stress conditions. The arc-shaped ring 55 at the end of the support rod 53 allows the connecting block 54 to be rotatably mounted on it. The connecting block 54 serves as the connecting end and is connected to the connecting node steel column 1 and the inclined steel column 2 respectively, forming a multi-position force balance support. This structure can disperse and transmit the force borne by the V-shaped steel column, effectively enhancing the stability and load-bearing capacity of the V-shaped steel column, reducing the risk of damage caused by local force concentration, and ensuring the safety and reliability of the V-shaped steel column structure of the school roof track.

[0052] The implementation principle of the construction process of applying V-shaped steel columns to a school rooftop running track in this application embodiment is as follows: By assembling and welding the V-shaped steel columns, using a reasonable assembly and transportation method, and setting up multi-position balancing components 5, the problem of insufficient tilt bearing capacity of the supporting structure in the prior art is solved; the assembly and transportation method of the V-shaped steel columns facilitates construction and installation, and the anchor bolts and grouting layer ensure a reliable connection between the steel columns and the foundation during hoisting; the multi-position balancing components 5 can adapt to the position and angle changes of the connecting node steel column 1 and the tilted steel column 2, realize the force balance at multiple positions, better cope with the special structure and load distribution of the rooftop running track, provide sufficient tilt bearing capacity, and improve the stability and reliability of the supporting structure.

[0053] Example 2, reference Figures 4-5The difference between this embodiment and Embodiment 1 is that a stabilizing component 11 is provided inside the welded section of the connecting steel column 1 and the inclined steel column 2. The connecting ends of the stabilizing component 11 are respectively connected to the inner walls of the connecting steel column 1 and the inclined steel column 2. This is used to stabilize the inclined steel column 2 when the V-shaped steel column is vertical after welding, so that it can bear the tilting force of the connecting steel column 1. The stabilizing component 11 is provided inside the welded section of the connecting steel column 1 and the inclined steel column 2, and the connecting ends of the stabilizing component 11 are respectively connected to the inner walls of the connecting steel column 1 and the inclined steel column 2. Connection; When the V-shaped steel column is in a vertical state, the inclined steel column 2 needs to bear the inclined force generated by the connecting node steel column 1. At this time, the stabilizing component 11 can stabilize the connection between the inclined steel column 2 and the connecting node steel column 1, enhance the stability of the connection between the two, and make the V-shaped steel column more robust and reliable when bearing the inclined force of the connecting node steel column 1. This reduces deformation and displacement caused by the inclined force, improves the overall load-bearing capacity and safety of the V-shaped steel column, and ensures the construction quality and stability of the school roof running track construction process using this V-shaped steel column.

[0054] In this embodiment, more specifically, the stabilizing component 11 includes an adjusting block 111 disposed inside the inclined steel column. Several adjusting grooves 112 are provided on both sides of the adjusting block 111. A supporting plate 113 is oscillatingly disposed in the adjusting groove 112. A combined plate 114 is rotatably disposed at the end of the supporting plate 113. The combined plate 114 is connected to the inner wall of the connecting node steel column 1. When the V-shaped steel column is vertical, the inclined steel column 2 bears the inclined force of the connecting node steel column 1. The supporting plate 113 can oscillate in the adjusting groove 112 to adapt to different stress conditions. The inclined force of the connecting node steel column 1 is transmitted to the inclined steel column 2 through the combined plate 114, thereby stabilizing the bearing of the inclined force of the connecting node steel column 1 and improving the overall stability and bearing capacity of the V-shaped steel column.

[0055] In this embodiment, more specifically, an arc-shaped plate 115 is provided on the outside of the adjusting block 111 and at the slot opening of several adjusting grooves 112. Several positioning holes 116 are provided through the arc-shaped plate 115 and the supporting plate 113. The overlapping positioning holes 116 are internally threaded with positioning screws 117, which can flexibly adjust the swing angle of the supporting plate 113 according to the magnitude and direction of the tilting force of the steel column 1 at the connection node to adapt to different stress conditions. After the positioning screws 117 are threadedly connected to the overlapping positioning holes 116, the supporting plate 113 can be fixed in a suitable position, so that the supporting plate 113 stably supports the combined plate 114, thereby enhancing the stabilizing effect on the tilting force of the steel column 1 at the connection node and effectively improving the overall stability and load-bearing capacity of the V-shaped steel column.

[0056] Example 3, reference Figures 6-7The difference between this embodiment and Embodiment 1 is that: a butt frame 12 is provided in the inner cavity of the inclined steel column 2 at the corresponding welding section. Several butt grooves 121 are provided within the butt frame 12, and trapezoidal blocks 122 are provided within each groove. A limiting space is formed between the side of the trapezoidal block 122 and the inner wall of the groove 121. Several inserts 13 are provided in the inner cavity of the connecting node steel column 1 at the corresponding welding section. Each insert 13 has a notch 131 that fits the shape of the trapezoidal block 122. Both ends of the insert 13 are inserted into the limiting space, which enhances the structural stability of the weld between the connecting node steel column 1 and the inclined steel column 2. During welding, the fit between the trapezoidal block 122 and the notch 131 of the insert 13, as well as the insertion of the insert 13 into the limiting space, makes the connection between the two more compact and precise, reducing positional deviation and shaking during welding, ensuring welding quality, and thus improving the stability and reliability of the entire V-shaped steel column under load, better meeting the structural strength and stability requirements of the school roof running track.

[0057] In this embodiment, more specifically, magnetic absorbing pieces 123 are provided on both sides of the trapezoidal block 122 and on the inner sides of both ends of the insert block 13. The magnetic absorbing pieces 123 attract each other and lock the two ends of the insert block 13 in the limiting space. By utilizing the principle of mutual magnetic attraction of the magnetic absorbing pieces 123, the two ends of the insert block 13 can be firmly locked in the limiting space, which strengthens the connection strength and stability at the welded section of the connecting node steel column 1 and the inclined steel column 2, and improves the overall structural stability of the V-shaped steel column.

[0058] Example 4, Reference Figure 8 The difference between this embodiment and Embodiment 1 is that: several crossbars 14 are provided between the two symmetrically arranged inclined steel columns 2, and the ends of the crossbars 14 are provided with reinforcing arc-shaped protrusions 15. The arc-shaped protrusions are welded to the stiffening plates 3 and the inclined steel columns 2 at the welding positions. By providing several crossbars 14 between the two symmetrically arranged inclined steel columns 2, the mechanical properties of the cross structure can effectively distribute and transfer the load borne by the inclined steel columns 2, and enhance the connection stability between the inclined steel columns 2. At the same time, the reinforcing arc-shaped protrusions 15 are provided at the ends of the crossbars 14 and welded to the stiffening plates 3 and the inclined steel columns 2 at the welding positions, which increases the welding area, improves the connection strength, makes the structure more robust, and further enhances the stability and load-bearing capacity of the entire V-shaped steel column structure. It can be better applied to the construction of school roof running tracks and ensure the safe use of the track.

[0059] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A construction technique for using V-shaped steel columns in school rooftop running tracks, characterized in that, The construction steps include the following: The V-shaped steel columns are assembled and transported by welding prefabricated steel plates into several symmetrically arranged connecting node steel columns (1) and inclined steel columns (2). The two symmetrically arranged inclined steel columns (2) are assembled by welding several stiffening plates (3) and welded together by setting reinforcement plates (4). The several connecting node steel columns (1) and inclined steel columns (2) are transported to the construction site in sections. V-shaped steel column hoisting: Weld the cross section of the connecting node steel column (1) and the inclined steel column (2). Several anchor bolts are set as embedded parts on the foundation surface. The V-shaped steel column is hoisted to the foundation surface. A grouting layer is set between the bottom of the V-shaped steel column and the foundation surface. The anchor bolts pass through the grouting layer and are anchored to the bottom of the V-shaped steel column. The connecting node steel column (1) is inclined to bear load. A multi-position balancing component (5) is provided between the symmetrically arranged connecting node steel columns (1). The multi-position balancing component (5) extends to several connecting ends. The several connecting ends are respectively connected to the connecting node steel column (1) and the inclined steel column (2) to form a multi-position force balance support. The multi-position balancing component (5) includes a bearing rod (51) with a bearing sleeve (52) rotatably arranged in multiple parts, several support rods (53) and a connecting block (54). The outer surface of the several support rods (53) is threaded to the inner wall of the bearing sleeve (52). The end of the support rod (53) is provided with an arc ring (55). The connecting block (54) is rotatably arranged on the arc ring (55). The connecting block (54) serves as the connecting end of the multi-position balancing component (5) and is respectively connected to the connecting node steel column (1) and the inclined steel column (2).

2. The construction process of V-shaped steel columns applied to school rooftop running tracks according to claim 1, characterized in that: The V-shaped steel column is assembled by laying out lines on the ground and setting up an assembly platform (6). One side plate (7) and the top and bottom plates (8) that have been cut are placed on the platform and spot-welded to form the lower box section of the V-shaped steel column. The bifurcated web plate (9) is assembled on the side plate (7) to form a U-shaped section. The U-shaped section is closed by the other side plate (7) to form a complete box section, and then welded.

3. The construction process of applying V-shaped steel columns to a school rooftop running track according to claim 2, characterized in that: The U-shaped cross section is provided with several inner partitions (10), which are arranged in different directions and are respectively connected to the web plate (9) of the bifurcated limb.

4. The construction process of V-shaped steel columns applied to school rooftop running tracks according to claim 1, characterized in that: A stabilizing component (11) is provided inside the welded section of the connecting node steel column (1) and the inclined steel column (2). The stabilizing component (11) includes an adjusting block (111) provided inside the inclined steel column (2). Several adjusting grooves (112) are provided on both sides of the adjusting block (111). A support plate (113) is oscillatingly provided inside the adjusting groove (112). A combination plate (114) is rotatably provided at the end of the support plate (113). The combination plate (114) is connected to the inner wall of the connecting node steel column (1) and is used to stabilize the inclined steel column (2) when the V-shaped steel column is vertical after welding, so that the inclined steel column (2) can bear the tilting force of the connecting node steel column (1).

5. The construction process of V-shaped steel columns applied to school rooftop running tracks according to claim 4, characterized in that: An arc-shaped plate (115) is provided on the outside of the adjusting block (111) and at the slots of several adjusting grooves (112). Several positioning holes (116) are provided through the arc-shaped plate (115) and the supporting plate (113). A positioning screw (117) is threaded into the overlapping positioning holes (116).

6. The construction process of V-shaped steel columns applied to school rooftop running tracks according to claim 1, characterized in that: The inclined steel column (2) has a butt frame (12) in its inner cavity and at the corresponding welding section. The butt frame (12) has several butt grooves (121) in its inner cavity and trapezoidal blocks (122) in its inner cavity. The side of the trapezoidal block (122) and the inner wall of the butt groove (121) form a limiting space. The connecting node steel column (1) has several inserts (13) in its inner cavity and at the corresponding welding section. The inserts (13) have notches (131) that fit the shape of the trapezoidal blocks (122). The two ends of the inserts (13) are inserted into the limiting space.

7. The construction process of V-shaped steel columns applied to school rooftop running tracks according to claim 6, characterized in that: Magnetic plates (123) are provided on both sides of the trapezoidal block (122) and on the inner sides of both ends of the insert block (13). The magnetic plates (123) attract each other magnetically, locking both ends of the insert block (13) within the limiting space.

8. The construction process of V-shaped steel columns applied to school rooftop running tracks according to claim 1, characterized in that: A number of cross rods (14) are provided between the two symmetrically arranged inclined steel columns (2). The ends of the cross rods (14) are provided with reinforcing arc-shaped protrusions (15). The arc-shaped protrusions are welded to the stiffening plate (3) and the inclined steel column (2) at the welding position.

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