Connecting joint structure of steel reinforced concrete stand column and bearing platform

Abstract

The utility model discloses a connection node structure of a steel reinforced concrete stand column and a bearing platform, which belongs to the technical field of steel reinforced concrete stand columns, and comprises a bearing platform, a stand column, a stand column reinforcement cage, a plurality of anti-shear reinforcement cages and a connection structure, the stand column reinforcement cage is embedded in the stand column, is arranged in the length direction of the stand column, penetrates through the stand column and extends towards the interior of the bearing platform. The multiple shear-resistant reinforcement cages are embedded in the stand column, are arranged in the length direction of the stand column, penetrate through the stand column and extend towards the interior of the bearing platform, and are arranged in the stand column reinforcement cage in a penetrating mode. The connecting structure is configured to fixedly arrange the stand column on the bearing platform. The stand column reinforcement cage and the shear-resistant reinforcement cage are arranged between the bearing platform and the stand column in a striding mode, so that the bending resistance of the connecting joint is enhanced, and the bending resistance and the shear resistance of the whole structure are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steel reinforced concrete stand column, especially to a connecting joint structure of steel reinforced concrete stand column and bearing platform. BACKGROUND

[0002] Steel reinforced concrete stand columns are widely used in high-rise buildings and bridges due to their excellent load-bearing and anti-seismic performance. In high-rise buildings, stand columns mainly bear axial pressure, and usually adopt the mode of embedding steel plates in bearing platforms and connecting them with prefabricated steel through bolts.

[0003] However, in actual engineering applications, stand columns not only bear axial pressure, but also need to cope with large horizontal force and bending moment. Therefore, steel reinforced concrete stand columns usually adopt the design of intensive reinforcement around the periphery to enhance the bending and shearing resistance, and at this time, the connecting joint of stand columns and bearing platforms becomes the most complex force-bearing part, which needs to have strong bending resistance. If the mode of connecting the surface steel plate of the bearing platform is still adopted, the connecting section will be weakened, and it is difficult to meet the bending resistance requirement. SUMMARY

[0004] The utility model discloses a connecting joint structure of steel reinforced concrete stand column and bearing platform, which can ensure the bending and shearing resistance of the connecting joint of stand columns and bearing platforms, thereby improving the overall load-bearing performance of the structure.

[0005] The connecting joint structure of steel reinforced concrete stand column and bearing platform according to the utility model embodiment comprises a bearing platform, a stand column vertically arranged on the bearing platform, a stand column reinforcement cage embedded in the stand column, the stand column reinforcement cage extending along the length direction of the stand column and penetrating the stand column and extending towards the inside of the bearing platform, a plurality of shearing reinforcement cages, each of which is embedded in the stand column, each of which is arranged along the length direction of the stand column, each of which penetrates the stand column and extends towards the inside of the bearing platform, and each of which is arranged in the stand column reinforcement cage, and a connecting structure connected with the bearing platform and the stand column and configured to fix the stand column on the bearing platform.

[0006] The connecting joint structure of steel reinforced concrete stand column and bearing platform according to the utility model embodiment has the following beneficial effects: the anchor bolt structure is adopted to avoid the section weakening problem caused by the traditional surface steel plate connecting mode of the bearing platform, the stand column reinforcement cage and the plurality of shearing reinforcement cages in the stand column are extended towards the inside of the bearing platform, the bending resistance of the connecting joint is enhanced, the bending and shearing resistance of the overall structure is significantly improved, the integrity of the stand column and the bearing platform is enhanced, the complex stress condition in the bridge structure is effectively coped with, and the stability and anti-seismic performance of the structure are improved.

[0007] According to some embodiments of the present invention, the column includes steel profiles and column concrete, with the steel profiles embedded in the column concrete and arranged along the length direction of the column concrete.

[0008] According to some embodiments of this utility model, the steel profile includes: a column base steel plate, the column base steel plate having multiple geometric holes arranged in an array with the center of the column base steel plate as the center of symmetry, the number of shear reinforcement cages corresponding to the number of geometric holes, each geometric hole having a shear reinforcement cage inserted therein, each shear reinforcement cage spanning between the column and the foundation; multiple vertical plates, the multiple vertical plates being interconnected, each of the multiple vertical plates being perpendicular to the column base steel plate, each vertical plate having a wing plate at both ends, each wing plate being perpendicular to the corresponding vertical plate, and each wing plate being perpendicular to the column base steel plate.

[0009] According to some embodiments of the present invention, a plurality of rivets are provided on one end of the wing plate opposite to the vertical plate, and the plurality of rivets are evenly distributed on the wing plate.

[0010] According to some embodiments of this utility model, the column reinforcement cage includes: multiple column reinforcement bars, all of which are embedded in the column concrete, all of which are arranged along the length of the column, all of which are connected to the reinforcement bars of the foundation, and all of which are evenly distributed around the periphery of the column concrete; multiple column stirrups, which enclose the column reinforcement bars to form a column-shaped frame, all of which are sleeved on the column-shaped frame, each of which is fixedly connected to the column reinforcement bars, and all of which are evenly distributed along the length of the column reinforcement bars.

[0011] According to some embodiments of this utility model, the connection structure includes multiple pre-embedded anchor bolts, and the column base steel pad is anchored to the top surface of the foundation by multiple pre-embedded anchor bolts.

[0012] According to some embodiments of the present invention, the connection structure further includes a caulking structure, which is located between the column base steel pad and the foundation. The pre-embedded anchor bolts pass through the column base steel pad and the caulking structure in sequence and are anchored in the foundation.

[0013] According to some embodiments of this utility model, the horizontal cross-section of the joint filling structure is larger than the horizontal cross-section of the column base steel pad.

[0014] According to some embodiments of the present invention, the shear reinforcement cage includes: multiple shear reinforcement bars, all of which are embedded in the concrete of the column and are arranged along the length of the column, and are located in corresponding geometric holes; and multiple shear stirrups, which are sleeved on the frame formed by the multiple shear reinforcement bars, each of which is fixedly connected to the shear reinforcement bars, and are evenly distributed along the length of the shear reinforcement bars.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural schematic diagram of the connection node structure between the steel-concrete column and the foundation in an embodiment of this utility model.

[0018] Figure 2 for Figure 1 The floor plan;

[0019] Figure 3 for Figure 2 Detailed drawing of the steel base plate for the central column;

[0020] Figure 4 for Figure 2 The reinforcement layout diagram of the column base section.

[0021] Figure label:

[0022] Platform 100;

[0023] Column 200, steel section 210, column base steel pad 211, geometric hole 2111, upright plate 212, wing plate 2121, rivet 2122, column concrete 220;

[0024] The column reinforcement cage is 300mm, the column reinforcement bars are 310mm, and the column stirrups are 320mm.

[0025] Shear reinforcement cage 400, shear reinforcement 410, shear stirrups 420;

[0026] Connection structure 500, pre-embedded anchor bolt 510, joint filling structure 520. Detailed Implementation

[0027] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0028] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If the description mentions "first" or "second," it is merely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features or the sequential relationship between indicated technical features.

[0030] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0031] refer to Figures 1 to 4 This embodiment discloses a connection node structure between a steel-concrete composite column and a foundation.

[0032] like Figures 1 to 4 As shown, the connection structure between the steel-concrete composite column and the foundation includes a foundation 100, a column 200, a column reinforcement cage 300, multiple shear reinforcement cages 400, and a connection structure 500. The column 200 is vertically mounted on the foundation 100. The column reinforcement cage 300 is embedded within the column 200, extending along its length and penetrating the column 200 towards the interior of the foundation 100. Multiple shear reinforcement cages 400 are also embedded within the column 200, extending along its length and penetrating the column 200 towards the interior of the foundation 100. All shear reinforcement cages 400 are also inserted within the column reinforcement cages 300. The connecting structure 500 is connected to the foundation 100 and the column 200. The connecting structure 500 is configured to fix the column 200 on the foundation 100.

[0033] like Figure 1 and Figure 2As shown, the pier cap 100 is horizontally positioned, and the column 200 is vertically positioned on the pier cap 100. A column reinforcement cage 300 and multiple shear reinforcement cages 400 are embedded vertically within the column 200. The column reinforcement cage 300 extends downwards into the structure of the pier cap 100, and the multiple shear reinforcement cages 400 are all located within the column reinforcement cage 300, extending downwards from the interior of the column 200 into the interior of the pier cap 100. Thus, by employing an anchor bolt structure, the cross-sectional weakening problem caused by the traditional steel plate connection method on the surface of the pier cap 100 is avoided. Furthermore, extending the column reinforcement cage 300 and multiple shear reinforcement cages 400 inside the column 200 into the interior of the pier cap 100 not only enhances the bending resistance of the connection nodes, significantly improving the overall bending and shear resistance of the structure, but also strengthens the integrity of the column 200 and the pier cap 100. This effectively addresses the complex stress conditions in the bridge structure, improving the stability and seismic performance of the structure.

[0034] In some specific embodiments of this utility model, the column 200 includes a steel section 210 and a column concrete 220, wherein the steel section 210 is embedded in the column concrete 220, and the steel section 210 is arranged along the length direction of the column concrete 220. For example... Figure 1 and Figure 2 As shown, the concrete column 220 is vertically installed, and the steel section 210 is vertically embedded within it. It should be noted that the steel section 210 itself possesses high strength and stiffness, providing the column 200 with strong load-bearing capacity, effectively supporting the building's own weight, wind loads, seismic forces, and various vertical and horizontal loads. Therefore, compared to a simple concrete column 200, it reduces the risk of deformation and cracking under larger loads, improving structural stability. Simultaneously, the steel section 210 and concrete work together; the concrete restrains the steel section 210, preventing local buckling and allowing it to fully utilize its strength. The steel section 210 also enhances the concrete's crack resistance and shear strength. This interaction results in superior overall mechanical properties of the column 200.

[0035] In some specific embodiments of this utility model, the steel section 210 includes: a column base steel pad 211 and multiple vertical plates 212. The column base steel pad 211 has multiple geometric holes 2111, which are arranged in an array with the center of the column base steel pad 211 as the center of symmetry. The number of shear reinforcement cages 400 corresponds to the number of geometric holes 2111. Each geometric hole 2111 has one shear reinforcement cage 400 inserted into it, and each shear reinforcement cage 400 spans between the column 200 and the foundation 100. The multiple vertical plates 212 are interconnected and are perpendicular to the column base steel pad 211. Each vertical plate 212 has a wing plate 2121 at both ends, and each wing plate 2121 is perpendicular to the corresponding vertical plate 212 and the column base steel pad 211.

[0036] like Figure 2 and Figure 3 As shown in this specific embodiment, the column base steel pad 211 is square, and two vertical plates 212 are provided on the column base steel pad 211. The two vertical plates 212 intersect each other to form a cross shape and are vertically arranged in the middle of the column base steel pad 211. The extension lines of the two vertical plates 212 on the horizontal plane divide the column base steel pad 211 into four square areas. Each square area has a square geometric hole 2111, and a shear reinforcement cage 400 is inserted through each square geometric hole 2111. Thus, the shear reinforcement cage 400 passes through the geometric hole 2111 of the column base steel pad 211 and spans between the column 200 and the abutment 100, which can effectively transfer the shear force between the column 200 and the abutment 100, improve the shear resistance of the connection, and make the connection between the column 200 and the abutment 100 more stable when the bridge structure is subjected to horizontal forces such as vehicle loads and wind loads, reducing the risk of relative sliding and misalignment.

[0037] like Figure 3 As shown, each vertical plate 212 has a wing plate 2121 perpendicular to it at both horizontal ends, and each wing plate 2121 is perpendicular to the column base steel pad 211. Multiple interconnected vertical plates 212 perpendicular to the column base steel pad 211, and wing plates 2121 perpendicular to both the vertical plates 212 and the column base steel pad 211, together form a stable spatial structure, greatly increasing the overall strength and rigidity of the steel section 210. When bearing loads, the force can be more evenly transmitted to the column base steel pad 211 and the concrete through the wing plates 2121 and vertical plates 212, avoiding stress concentration and reducing the possibility of cracks and damage due to stress concentration. This improves the load-bearing capacity of the column 200, enabling the bridge to withstand greater weight and various complex loads, and extending the bridge's service life.

[0038] In some specific embodiments of this utility model, a plurality of rivets 2122 are provided at one end of the wing plate 2121 opposite to the vertical plate 212, and the plurality of rivets 2122 are evenly distributed on the wing plate 2121. The presence of the rivets 2122 greatly increases the mechanical interlocking effect between the wing plate 2121 and the concrete. Specifically, after the concrete is poured, the rivets 2122 are interlocked with the concrete, which can effectively transfer the stress between the interface, significantly improve the bonding force between the wing plate 2121 and the concrete, and ensure that the two can work together better during the stress process and jointly bear the load.

[0039] In some specific embodiments of this utility model, the connecting structure 500 includes a plurality of pre-embedded anchor bolts 510, and the column base steel pad 211 is anchored to the top surface of the pier cap 100 through the plurality of pre-embedded anchor bolts 510. Thus, the column base steel pad 211, anchored to the top surface of the pier cap 100 through the plurality of pre-embedded anchor bolts 510, can achieve a reliable connection between the column base and the pier cap 100, effectively transfer loads, thereby enhancing the overall structural stability and ensuring the safety and stability of the bridge structure.

[0040] In some specific embodiments of this utility model, the connecting structure 500 further includes a caulking structure 520, which is disposed between the column base steel pad 211 and the foundation 100. Pre-embedded anchor bolts 510 pass sequentially through the column base steel pad 211 and the caulking structure 520, and are anchored in the foundation 100. For example... Figure 1 As shown, the joint filling structure 520 is located between the pier cap 100 and the column base steel plate 211. Pre-embedded anchor bolts 510 pass sequentially through the column base steel plate 211 and the joint filling structure 520 and are anchored in the pier cap 100, ensuring a tight connection between the three and enhancing the collaborative working ability of each component. Therefore, when the bridge is under load, the force can be transmitted more evenly between the column base steel plate 211, the joint filling structure 520, and the pier cap 100, avoiding structural damage due to localized stress concentration and ensuring the long-term stable operation of the bridge under complex working conditions.

[0041] Specifically, the joint filling structure 520 uses micro-expansion concrete.

[0042] In some specific embodiments of this utility model, the horizontal cross-section of the joint filling structure 520 is larger than the horizontal cross-section of the column base steel pad 211. It should be noted that the larger horizontal cross-section of the joint filling structure 520 means that the joint filling structure 520 can more comprehensively cover the gap between the column base steel pad 211 and the foundation 100. This strengthens the sealing of the gap and, to a certain extent, prevents external corrosive media from seeping in from the side, providing more comprehensive protection and reducing the risk of structural damage due to environmental factors.

[0043] In some specific embodiments of this utility model, the column reinforcement cage 300 includes: a plurality of column reinforcement bars 310 and a plurality of column stirrups 320. The plurality of column reinforcement bars 310 are all embedded in the column concrete 220, arranged along the length of the column 200, connected to the reinforcement bars of the foundation 100, and evenly distributed around the periphery of the column concrete 220. The plurality of column reinforcement bars 310 enclose to form a column-shaped frame, and the plurality of column stirrups 320 are fitted onto the column-shaped frame. Each column stirrup 320 is fixedly connected to a column reinforcement bar 310, and the plurality of column stirrups 320 are evenly distributed along the length of the column reinforcement bars 310.

[0044] In some specific embodiments of this utility model, the shear reinforcement cage 400 includes: a plurality of shear reinforcement bars 410, all of which are embedded in the column concrete 220 and arranged along the length direction of the column 200, and located in corresponding geometric holes 2111; a plurality of shear stirrups 420, all of which are sleeved on the frame formed by the plurality of shear reinforcement bars 410, each of which is fixedly connected to the shear reinforcement bar 410, and the plurality of shear stirrups 420 are evenly distributed along the length direction of the shear reinforcement bar 410.

[0045] like Figure 1 and Figure 4 As shown, in the column reinforcement cage 300, multiple column reinforcement bars 310 are embedded along the length of the column 200 and evenly distributed around the perimeter of the concrete, connected to the reinforcement bars of the foundation 100, providing longitudinal load-bearing capacity and enhancing the structural ductility and integrity. Multiple column stirrups 320, sleeved on the column frame and fixed to the column reinforcement bars 310, are evenly distributed along the length, constraining the lateral deformation of the concrete and fixing the position of the column reinforcement bars 310. In the shear reinforcement cage 400, multiple shear reinforcement bars 410 are embedded along the length of the column 200 and evenly distributed around the perimeter of the concrete, extending downward into the foundation 100 to provide longitudinal load-bearing capacity and enhance the structural ductility and integrity. Multiple shear stirrups 420, sleeved on the shear column frame and fixed to the shear reinforcement bars 410, are evenly distributed along the length, constraining the lateral deformation of the concrete and fixing the position of the shear reinforcement bars 410. Whether it's the 310 column reinforcement and 320 column stirrups, or the 410 shear reinforcement and 420 shear stirrups, the two work together to greatly improve the load-bearing capacity, stability, and seismic performance of column 200, ensuring the safety of the bridge structure and facilitating construction quality control.

[0046] The following specific example illustrates the construction method of the joint between the 210mm steel concrete column 200mm and the 100mm abutment in this bridge structure:

[0047] At the construction site, prepare the necessary materials such as reinforcing bars, 210mm steel sections, formwork, and concrete, as well as various construction tools and equipment. Simultaneously, clean and level the construction site to ensure that construction conditions meet the requirements.

[0048] According to the design drawings, the 100mm rebar of the foundation was tied. During the tying process, the pre-embedded anchor bolts 510, column rebars 310, and shear rebars 410 were simultaneously and accurately fixed. Their positions were precisely determined using measuring instruments, and positioning bars and other measures were used to ensure that they would not shift during subsequent construction. Specifically, 1m pre-embedded anchor bolts 510 should be selected according to the actual project conditions during construction.

[0049] After completing the reinforcement binding and fixing of the embedded parts, install the support formwork for the 100mm foundation. The formwork should be installed firmly with tight joints to ensure that there is no leakage of grout during the concrete pouring process.

[0050] Concrete was poured into the support formwork of the 100mm pier cap, and appropriate vibration equipment was used to ensure that the concrete was compacted. After pouring, the concrete was cured in accordance with the concrete curing requirements to ensure that the concrete strength increased normally.

[0051] The processed steel section 210 is hoisted onto the foundation 100. It should be noted that the column base steel pad 211 of the steel section 210 is installed in a directional manner. The column base steel pad 211 is provided with two interconnected vertical plates 212 forming a cross shape. Both vertical plates 212 are perpendicular to the column base steel pad 211. The flanges 2121 at both ends of each vertical plate 212 are also installed perpendicular to the vertical plate 212 as required.

[0052] On the column base steel plate 211 of the steel section 210, the extended projection lines of the two columns 200 on the column base steel plate 211 divide the column base steel plate 211 into four geometric regions. Each geometric region has a geometric hole 2111. The four geometric holes 2111 are arranged in an array with the intersection of the two plates 212 as the center of symmetry, and the shape of the geometric hole 2111 corresponds to the shape of the geometric region.

[0053] Carefully adjust the positions of the embedded anchor bolts 510, column reinforcement 310, and shear reinforcement 410 to ensure precise alignment with the column base steel plate 211. After confirming accuracy, use the embedded anchor bolts 510 to firmly fix the column base steel plate 211 onto the foundation 100, ensuring a secure and reliable connection. Use micro-expansion concrete to pour a 5mm thick filler structure 520 between the column base steel plate 211 and the top surface of the foundation 100, ensuring the micro-expansion concrete is embedded within the concrete structure of the column 200 to guarantee the compactness and strength between the column base steel plate 211 and the foundation 100.

[0054] On the pre-embedded column reinforcement 310, column stirrups 320 are tied at the designed spacing to form a column reinforcement cage 300. Shear stirrups 420 are tied on the shear reinforcement 410 to form a shear reinforcement cage 400. The number of shear reinforcement cages 400 corresponds to the number of geometric holes 2111, and each shear reinforcement cage 400 spans between the column 200 and the foundation 100.

[0055] Install the support formwork for column 200, and pour concrete inside the support formwork for column 200. During the pouring process, pay attention to controlling the pouring speed and vibration quality. After the concrete for column 220 is poured, it is cured. At this point, the structural joint connection between the foundation 100 and column 200 is completed.

[0056] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A connecting joint structure of a reinforced concrete column and a pile cap, characterized by comprising: a reinforced concrete column; a pile cap; a connecting joint between the reinforced concrete column and the pile cap; and a connecting joint structure of claim 1. The utility model relates to a kind of column and cap beam structure, including: Cap (100); Column (200), the column (200) is vertically arranged on the cap (100); Column reinforcement cage (300), the column reinforcement cage (300) is embedded in the column (200), the column reinforcement cage (300) is arranged along the length direction of the column (200), the column reinforcement cage (300) penetrates the column (200) and extends towards the inside of the cap (100); Multiple shear reinforcement cages (400), multiple the shear reinforcement cage (400) is embedded in the column (200), multiple the shear reinforcement cage (400) is arranged along the length direction of the column (200), multiple the shear reinforcement cage (400) penetrates the column (200) and extends towards the inside of the cap (100), multiple the shear reinforcement cage (400) is arranged in the column reinforcement cage (300); Connecting structure (500), the connecting structure (500) is connected with the cap (100), the connecting structure (500) is connected with the column (200), the connecting structure (500) is configured to be fixed with the column (200) on the cap (100).

2. The connection joint structure of the steel reinforced concrete column and the pile cap according to claim 1, characterized in that, The column (200) includes section steel (210) and column concrete (220), the section steel (210) is embedded in the column concrete (220), and the section steel (210) is arranged along the length direction of the column concrete (220).

3. The connection joint structure of the steel reinforced concrete column and the pile cap according to claim 2, characterized in that, The section steel (210) includes: Column foot steel backing plate (211), the column foot steel backing plate (211) is provided with multiple geometric holes (2111), multiple the geometric hole (2111) is arranged in array with the center of the column foot steel backing plate (211) as symmetry center, the number of the shear reinforcement cage (400) corresponds to the number of the geometric hole (2111), one shear reinforcement cage (400) is arranged in each geometric hole (2111), and each shear reinforcement cage (400) is arranged between the column (200) and the cap (100); Multiple vertical plates (212), multiple the vertical plate (212) is connected, and multiple the vertical plate (212) is perpendicular to the column foot steel backing plate (211), both ends of each vertical plate (212) are respectively provided with one wing plate (2121), each wing plate (2121) is perpendicular to the corresponding vertical plate (212), and each wing plate (2121) is perpendicular to the column foot steel backing plate (211).

4. The connection joint structure of the steel reinforced concrete column and the pile cap according to claim 3, characterized in that, The wing plate (2121) is provided with multiple rivets (2122) at the opposite end of the vertical plate (212), and multiple the rivet (2122) is distributed on the wing plate (2121).

5. The connection joint structure of the steel reinforced concrete column and the pile cap according to claim 2, characterized in that, The column reinforcement cage (300) includes: A plurality of column steel bars (310), each of the plurality of column steel bars (310) is embedded in the column concrete (220), each of the plurality of column steel bars (310) is arranged along the length direction of the column (200), each of the plurality of column steel bars (310) is connected with the steel bars of the pile cap (100), and the plurality of column steel bars (310) are distributed around the periphery of the column concrete (220). A plurality of column stirrups (320), the plurality of column steel bars (310) form a columnar frame, each of the plurality of column stirrups (320) is sleeved on the columnar frame, each of the column stirrups (320) is fixedly connected with the column steel bars (310), and the plurality of column stirrups (320) are distributed along the length direction of the column steel bars (310).

6. The connection joint structure of the steel reinforced concrete column and the pile cap according to claim 3, characterized in that, The connecting structure (500) comprises a plurality of pre-buried anchors (510), and the column foot steel base plate (211) is anchored to the top surface of the pile cap (100) through the plurality of pre-buried anchors (510).

7. The connection joint structure of the steel reinforced concrete column and the pile cap according to claim 6, characterized in that, The connecting structure (500) further comprises a joint filling structure (520), the joint filling structure (520) is arranged between the column foot steel base plate (211) and the pile cap (100), the pre-buried anchors (510) pass through the column foot steel base plate (211) and the joint filling structure (520) in sequence and are anchored in the pile cap (100).

8. The connection joint structure of the steel reinforced concrete column and the pile cap according to claim 7, characterized in that, The horizontal section of the joint filling structure (520) is larger than the horizontal section of the column foot steel base plate (211).

9. The connection joint structure of the steel reinforced concrete column and the pile cap according to claim 3, characterized in that, The shear reinforcement cage (400) comprises: A plurality of shear steel bars (410), each of the plurality of shear steel bars (410) is embedded in the column concrete (220), each of the plurality of shear steel bars (410) is arranged along the length direction of the column (200), and each of the plurality of shear steel bars (410) is located in the corresponding geometric hole (2111); A plurality of shear stirrups (420), each of the plurality of shear stirrups (420) is sleeved on a frame formed by the plurality of shear steel bars (410), each of the plurality of shear stirrups (420) is fixedly connected with the shear steel bars (410), and the plurality of shear stirrups (420) are distributed along the length direction of the shear steel bars (410).

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