Open-hole cross-shaped plate grouting connection joint and connection method

Abstract

The invention provides a perforated cross plate grouting connection node and a connection method, and relates to the technical field of construction engineering, a concrete filled steel tube upper column and a concrete filled steel tube lower column are connected through a connecting piece, an upper accommodating cabin of the concrete filled steel tube upper column is provided with a first independent space, and a lower accommodating cabin of the concrete filled steel tube lower column is provided with a second independent space; the connecting piece comprises a horizontal connecting plate, the upper plate face and the lower plate face of the horizontal connecting plate are provided with a second cross-shaped plate and a third cross-shaped plate respectively, and through holes are evenly formed in the plate faces of the second cross-shaped plate and the third cross-shaped plate; each second cross-shaped plate is correspondingly matched with the position size of each first independent space, and each third cross-shaped plate is correspondingly matched with the position size of each third independent space; a large amount of shear key welding work can be avoided, the technical requirement is low, the working efficiency is improved, the joint rigidity and bearing capacity are improved, and the connecting performance is improved.

Description

Technical Field

[0001] The invention relates to the technical field of construction engineering, in particular to a grouting connection node and a connection method for a perforated cross-shaped plate. Background Art

[0002] Different from the traditional "one column and two beams" connection form, modular buildings have the connection characteristics of "multiple columns and multiple beams", such as "two columns and four beams" for corner columns, "four columns and eight beams" for side columns, and "eight columns and sixteen beams" for middle columns. Therefore, reasonable node connections between units are the key to ensuring the integrity and seismic performance of the structure, and play a decisive role in the safety of modular buildings. Many scholars have focused their research on node connections between module units in the field of steel structure modular buildings, including the use of cover plate bolt connections and cover plate bolt connections. Many scholars have also adopted the node self-locking connection method to solve the problem of lack of operating space in modular buildings; in recent years, some scholars have also proposed the connection method of sleeve grouting. Most of the node connection methods of the above-mentioned module units are proposed for steel modular buildings, which are mainly divided into three types. The first method is to use bolt connection at the column-column joint. Considering that the stacking of modules requires more bolt holes for alignment, on the one hand, it takes a long time to install, and on the other hand, it requires high processing accuracy for the module units, and it is easy to fail to install on site. Moreover, there are multiple beams and columns and multiple walls, floor slabs and other components arranged at the column node position, and there is a lack of operating space, so it is difficult to perform bolt connection without damaging these surrounding components; the second method is the self-locking connection node form, which is quick and convenient to install, but the self-locking connection node usually requires a complex mechanical device to be set at the node, and has very high requirements on the processing quality and the accuracy of on-site module assembly, especially when a large number of modules are stacked, resulting in accumulated errors; the third method is the sleeve grouting connection method, which can allow larger construction and installation errors when assembling module units, and is convenient to construct, but the workload of bolt welding is large, and the grouting layer between the inner sleeve and the steel pipe wall is thin, the node stiffness is insufficient, and it is difficult to use in combined module buildings. Summary of the invention

[0003] In order to solve the technical problems existing in the prior art, the embodiment of the present invention provides a perforated cross-shaped plate grouting connection node and a connection method. The technical solution is as follows:

[0004] A perforated cross-shaped plate grouting connection node, comprising a steel tube concrete upper column, a steel tube concrete lower column and a connecting piece; the steel tube concrete upper column and the steel tube concrete lower column are connected by the connecting piece;

[0005] An upper accommodation chamber is provided at the bottom end of the steel tube concrete upper column, at least one first independent space is evenly arranged in the upper accommodation chamber, and bolts are evenly arranged on the inner wall of each first independent space; a grouting port is provided on the side wall of the upper accommodation chamber;

[0006] A lower accommodation chamber is provided at the top of the inner part of the steel tube concrete lower column, at least one second independent space is evenly arranged in the lower accommodation chamber, and bolts are evenly arranged on the inner wall of each second independent space; a grouting port is provided on the side wall of the lower accommodation chamber;

[0007] The number and size of the first independent spaces are respectively equal to the number and size of the second independent spaces;

[0008] The connecting member includes a horizontal connecting plate, at least one second cross-shaped plate is arranged on the upper plate surface of the horizontal connecting plate, each of the second cross-shaped plates has through holes evenly arranged on the plate surface, and the number of the second cross-shaped plates is equal to the number of the first independent spaces; the position size of each second cross-shaped plate corresponds to the position size of each first independent space; at least one third cross-shaped plate is arranged on the lower plate surface of the horizontal connecting plate, each of the third cross-shaped plates has through holes evenly arranged on the plate surface, the number of the third cross-shaped plates is equal to the number of the second independent spaces, and the position size of each third cross-shaped plate corresponds to the position size of each second independent space.

[0009] Optionally, when the steel tube concrete upper column is connected to the steel tube concrete lower column, each of the second cross-shaped plates is inserted into the corresponding first independent space, and each of the third cross-shaped plates is inserted into the corresponding second independent space.

[0010] Optionally, in one of the first independent spaces and in the height direction of the first independent space, each through hole on the second cross-shaped plate is located between two adjacent pegs; in one of the second independent spaces and in the height direction of the second independent space, each through hole on the third cross-shaped plate is located between two adjacent pegs.

[0011] Optionally, the second cross-shaped plate includes mutually perpendicular A plate surfaces, one of the A plate surfaces is parallel to one inner wall of the first independent space, and the distance between the parallel inner wall of the first independent space and the A plate surface is L, the length of the bolt on the inner wall of the first independent space is l, and the relationship between l and L satisfies formula (1):

[0012] l<L (1)

[0013] The third cross-shaped plate includes mutually perpendicular B plate surfaces, one of which is parallel to one inner wall of the second independent space, and the distance between the parallel inner wall of the second independent space and the B plate surface is L1, the length of the bolt on the inner wall of the second independent space is l1, and the relationship between L1 and l1 satisfies formula (2):

[0014] l1<L1(2).

[0015] Optionally, the four outer walls of the steel tube concrete upper column are each connected to an upper beam, and the bottom surface of each upper beam is flush with the bottom surface of the upper storage chamber; the four outer walls of the steel tube concrete lower column are each connected to a lower beam, and the top surface of each lower beam is flush with the top surface of the lower storage chamber.

[0016] Optionally, a first groove is set on the edge of the bottom surface of the upper accommodating chamber, and a second groove is set on the edge of the top surface of the lower accommodating chamber, and the first groove is adapted to the second groove. When the steel tube concrete upper column is connected to the steel tube concrete lower column, the first groove is connected to the second groove to obtain a third groove, and the horizontal connecting plate is embedded in the third groove.

[0017] Optionally, a first elastic member is provided at the bottom end of the outer periphery of the steel tube concrete upper column, and a second elastic member is provided at the top end of the outer periphery of the steel tube concrete lower column. When the steel tube concrete upper column is connected to the steel tube concrete lower column, the first elastic member and the second elastic member are assembled to obtain a closed elastic member, and the closed elastic member closes the connection between the steel tube concrete upper column and the steel tube concrete lower column into a closed space.

[0018] A method for grouting connection of a perforated cross-shaped plate, comprising:

[0019] Align the upper plate surface of the horizontal connecting plate with the upper accommodation chamber, and align the lower plate surface of the horizontal connecting plate with the lower accommodation chamber; connect the upper concrete-filled steel tube column with the lower concrete-filled steel tube column through the horizontal connecting plate;

[0020] The steel tube concrete upper column and the steel tube concrete lower column are grouting respectively.

[0021] Optionally, aligning the upper plate surface of the horizontal connecting plate with the upper accommodating chamber, aligning the lower plate surface of the horizontal connecting plate with the lower accommodating chamber; and connecting the upper concrete-filled steel tube column with the lower concrete-filled steel tube column through the horizontal connecting plate comprises:

[0022] Align each of the second cross-shaped plates with each of the corresponding first independent spaces, and insert each of the second cross-shaped plates into the corresponding first independent spaces until the upper plate surface of the horizontal connecting plate abuts against the top surface of the first groove; align each of the third cross-shaped plates with each of the corresponding second independent spaces, and insert each of the third cross-shaped plates into the corresponding second independent spaces until the lower plate surface of the horizontal connecting plate abuts against the bottom surface of the second groove.

[0023] Optionally, grouting the upper concrete-filled steel tube column and the lower concrete-filled steel tube column separately comprises:

[0024] The upper accommodating chamber is grouted with grouting material through the grouting opening on the outer wall of the upper accommodating chamber, and the lower accommodating chamber is grouted with grouting material through the grouting opening on the outer wall of the lower accommodating chamber.

[0025] The beneficial effects brought about by the technical solution provided by the embodiment of the present invention include at least:

[0026] The present invention adopts a perforated cross-shaped plate to avoid a large amount of shear key welding work, has low technical requirements for workers, and improves work efficiency. At the same time, the increase in grouting thickness significantly improves the node stiffness and bearing capacity, and can improve the connection performance between columns in the combined module. Reliable connection and load transfer between nodes are achieved by using interface bonding and shear resistance of grouting in the hole. Compared with traditional bolt connections, self-locking connections, and inner sleeve grouting connections, it will not damage components and decorations around the nodes, and avoids a large amount of on-site welding work. It has low technical requirements for workers, and can allow larger installation errors, significantly improve the stiffness and bearing capacity of the node area, and has the advantages of convenient on-site installation of module units and good node force performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 A schematic diagram of a grouting connection node and a connection method of a perforated cross-shaped plate provided by the present invention;

[0029] Figure 2 A side cross-sectional view of a grouting connection node and a connection method of a perforated cross-shaped plate provided by the present invention after connection;

[0030] Figure 3 A horizontal cross-sectional view of the hole cross-shaped plate grouting connection node and the connection method provided by the present invention after connection;

[0031] Figure 4 A lateral cross-sectional view of a steel tube concrete upper column and a steel tube concrete lower column after connection and grouting of a perforated cross-shaped plate grouting connection node and connection method provided by the present invention.

[0032] Reference numerals:

[0033] 1. Upper accommodation cabin; 11. First independent space; 2. Lower accommodation cabin; 3. Horizontal connecting plate; 31. Second cross-shaped plate; 32. Third cross-shaped plate; 33. Through hole; 34. First cross-shaped plate; 4. Bolts; 5. Concrete; 61. Upper beam; 62. Lower beam; 63. Upper concrete-filled steel tube column; 64. Lower concrete-filled steel tube column; 71. Exhaust port; 72. Grouting port; 73. Grouting material. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one", "one" or "the" do not indicate a quantitative limitation, but indicate the existence of at least one. Words such as "include" or "comprise" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0036] It should be noted that the terms "up", "down", "left", "right", "front", "back", etc. used in the present invention are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0037] like Figure 1-Figure 4 As shown, this embodiment provides a perforated cross-shaped plate grouting connection node, including a steel tube concrete upper column 63, a steel tube concrete lower column 64 and a connector; the steel tube concrete upper column 63 and the steel tube concrete lower column 64 are connected by the connector. An upper receiving chamber 1 is provided at the bottom end of the steel tube concrete upper column 63, and a lower receiving chamber 2 is provided at the top end of the steel tube concrete lower column 64.

[0038] In this embodiment, the four outer walls of the steel tube concrete upper column 63 are respectively connected to an upper beam 61, and the bottom surface of each upper beam 61 is flush with the bottom surface of the upper containing chamber 1, that is, the bottom surface of each upper beam 61 is flush with the bottom surface of the steel tube concrete upper column 63, and the four outer walls of the steel tube concrete lower column 64 are respectively connected to a lower beam 62, and the top surface of each lower beam 62 is flush with the top surface of the lower containing chamber 2, that is, the top surface of each lower beam 62 is flush with the top surface of the steel tube concrete lower column 64.

[0039] At least one first independent space 11 is evenly arranged in the upper storage chamber 1, and each inner wall of each first independent space 11 is evenly arranged with bolts 4; in this embodiment, a first cross-shaped plate 34 is arranged at the center of the upper storage chamber 1, and the first cross-shaped plate 34 evenly divides the interior of the upper storage chamber 1 into four first independent spaces 11; at least one second independent space (not shown in the figure, the shape, size and position are the same as the first independent space 11) is evenly arranged in the lower storage chamber 2, and each inner wall of each second independent space is evenly arranged with bolts 4, and in this embodiment, a first cross-shaped plate 34 is arranged at the center of the upper storage chamber 1, and the first cross-shaped plate 34 evenly divides the interior of the lower storage chamber 2 into second independent spaces. The number and size of the first independent spaces 11 are equal to the number and size of the second independent spaces.

[0040] The steel tube concrete upper column 63 includes an upper precast area and an upper containing chamber 1, the upper precast area is located above the upper containing chamber 1, concrete 5 is precast in the upper precast area, a grouting port 72 is provided on the side wall of the upper containing chamber 1, and an exhaust port 71 is provided on the side wall of the upper precast area; the steel tube concrete lower column 64 includes a lower precast area and a lower containing chamber 2, the lower precast area is located below the lower containing chamber 2, concrete 5 is precast in the lower precast area, a grouting port 72 is provided on the side wall of the lower containing chamber 2, and an exhaust port 71 is provided on the side wall of the lower precast area.

[0041] The connecting member includes a horizontal connecting plate 3, and at least one second cross-shaped plate 31 is welded on the upper plate surface of the horizontal connecting plate 3, and through holes 33 are evenly arranged on the plate surface of each second cross-shaped plate 31, and the number of the second cross-shaped plates 31 is equal to the number of the first independent spaces 11; the position and size of each second cross-shaped plate 31 correspond to the position and size of each first independent space 11; at least one third cross-shaped plate 32 is welded on the lower plate surface of the horizontal connecting plate 3, and through holes 33 are evenly arranged on the plate surface of each third cross-shaped plate 32, and the number of the third cross-shaped plates 32 is equal to the number of the second independent spaces, and the position and size of each third cross-shaped plate 32 correspond to the position and size of each second independent space.

[0042] When the steel tube concrete upper column 63 is connected to the steel tube concrete lower column 64, each second cross-shaped plate 31 is respectively inserted into the corresponding first independent space 11, and each third cross-shaped plate 32 is respectively inserted into the corresponding second independent space.

[0043] like Figure 2 As shown, when the steel tube concrete upper column 63 is connected to the steel tube concrete lower column 64, in a first independent space 11 and in the height direction of the first independent space 11, each through hole 33 on the second cross-shaped plate 31 is located between two adjacent bolts 4; in a second independent space and in the height direction of the second independent space, each through hole 33 on the third cross-shaped plate 32 is located between two adjacent bolts 4.

[0044] like Figure 3 As shown, the second cross-shaped plate 31 includes mutually perpendicular A plate surfaces, one of which is parallel to one inner wall of the first independent space 11, and the distance between the inner wall of the parallel first independent space 11 and the A plate surface is L, the length of the bolt 4 on the inner wall of the first independent space 11 is l, and the relationship between l and L satisfies formula (1):

[0045] l<L (1)

[0046] The third cross-shaped plate 32 includes mutually perpendicular B plate surfaces, one of which is parallel to one inner wall of the second independent space, and the distance between the parallel inner wall of the second independent space and the B plate surface is L1, the length of the bolt 4 on the inner wall of the second independent space is l1, and the relationship between L1 and l1 satisfies formula (2):

[0047] l1<L1(2).

[0048] The schematic diagram of the B board surface is not shown, and is the same as the schematic diagram of the A board surface.

[0049] A first groove is provided at the edge of the bottom surface of the upper receiving chamber 1, and a second groove is provided at the edge of the top surface of the lower receiving chamber 2. The first groove is adapted to the second groove. When the upper concrete tube column 63 is connected to the lower concrete tube column 64, the first groove is connected to the second groove to obtain a third groove, and the horizontal connecting plate 3 is embedded in the third groove. This design allows the upper concrete tube column 63 and the lower concrete tube column 64 to be tightly connected, and there is no gap between the upper beam 61 and the lower beam 62, which can also play a role in positioning the connecting piece. A first elastic member is provided at the bottom end of the outer periphery of the upper concrete tube column 63, and a second elastic member is provided at the top end of the outer periphery of the lower concrete tube column 64. When the upper concrete tube column 63 and the lower concrete tube column 64 are connected, the first elastic member and the second elastic member are assembled to obtain a closed elastic member. The closed elastic member closes the connection between the upper concrete tube column 63 and the lower concrete tube column 64 as a closed space to prevent the grouting material 73 from flowing out during grouting.

[0050] like Figure 1-Figure 4 As shown, a method for grouting and connecting a perforated cross-shaped plate is provided, wherein the upper plate surface of the horizontal connecting plate 3 is aligned with the upper accommodation chamber 1, and the lower plate surface of the horizontal connecting plate 3 is aligned with the lower accommodation chamber 2; the upper steel tube concrete column 63 is connected to the lower steel tube concrete column 64 through the horizontal connecting plate 3;

[0051] Align each second cross-shaped plate 31 with each corresponding first independent space 11, and insert each second cross-shaped plate 31 into the corresponding first independent space 11 until the upper plate surface of the horizontal connecting plate 3 abuts against the top surface of the first groove; align each third cross-shaped plate 32 with each corresponding second independent space, and insert each third cross-shaped plate 32 into the corresponding second independent space until the lower plate surface of the horizontal connecting plate 3 abuts against the bottom surface of the second groove.

[0052] The upper accommodating chamber 1 is grouted with grouting material 73 through the grouting opening 72 on the outer wall of the upper accommodating chamber 1 , and the lower accommodating chamber 2 is grouted with grouting material 73 through the grouting opening 72 on the outer wall of the lower accommodating chamber 2 .

[0053] The grouting material of this solution fixedly connects the upper concrete-filled steel tube column 63, the lower concrete-filled steel tube column 64 and the connecting piece, thereby realizing reliable connection and load transfer between the concrete-filled steel tube column 63 and the combined module unit.

[0054] This solution uses a perforated cross-shaped plate to avoid a large amount of shear key welding work, has low technical requirements for workers, and improves work efficiency. At the same time, the increase in grouting thickness significantly improves the node stiffness and bearing capacity, and can improve the connection performance between columns in the combined module. The interface bonding and the shear resistance of the grouting in the hole are used to achieve reliable connection and load transfer between nodes. Compared with traditional bolt connections, self-locking connections, and inner sleeve grouting connections, it will not damage the components and decorations around the nodes, and avoids a large amount of on-site welding work. It has low technical requirements for workers, and can allow large installation errors, significantly improve the stiffness and bearing capacity of the node area, and has the advantages of convenient on-site installation of module units and good node force performance.

[0055] The following points need to be explained:

[0056] (1) The drawings of the embodiments of the present invention only involve structures related to the embodiments of the present invention. Other structures may refer to conventional designs.

[0057] (2) For the sake of clarity, in the drawings used to describe the embodiments of the present invention, the thickness of layers or regions is exaggerated or reduced, that is, these drawings are not drawn according to the actual scale. It is understood that when an element such as a layer, film, region or substrate is referred to as being "on" or "under" another element, the element may be "directly" "on" or "under" the other element or there may be intermediate elements.

[0058] (3) In the absence of conflict, the embodiments of the present invention and the features therein may be combined with each other to obtain new embodiments.

[0059] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A perforated cross-shaped plate grouting connection node, characterized in that: It comprises a steel tube concrete upper column, a steel tube concrete lower column and a connecting piece; the steel tube concrete upper column and the steel tube concrete lower column are connected by the connecting piece; An upper accommodation chamber is provided at the bottom end of the steel tube concrete upper column, at least one first independent space is evenly arranged in the upper accommodation chamber, and bolts are evenly arranged on the inner wall of each first independent space; a grouting port is provided on the side wall of the upper accommodation chamber; A lower accommodation chamber is provided at the top of the inner part of the steel tube concrete lower column, at least one second independent space is evenly arranged in the lower accommodation chamber, and bolts are evenly arranged on the inner wall of each second independent space; a grouting port is provided on the side wall of the lower accommodation chamber; The number and size of the first independent spaces are respectively equal to the number and size of the second independent spaces; The connecting member includes a horizontal connecting plate, at least one second cross-shaped plate is arranged on the upper plate surface of the horizontal connecting plate, each of the second cross-shaped plates has through holes evenly arranged on the plate surface, and the number of the second cross-shaped plates is equal to the number of the first independent spaces; the position size of each second cross-shaped plate corresponds to the position size of each first independent space; at least one third cross-shaped plate is arranged on the lower plate surface of the horizontal connecting plate, each of the third cross-shaped plates has through holes evenly arranged on the plate surface, the number of the third cross-shaped plates is equal to the number of the second independent spaces, and the position size of each third cross-shaped plate corresponds to the position size of each second independent space.

2. The perforated cross-shaped plate grouting connection node according to claim 1, characterized in that: When the steel tube concrete upper column is connected to the steel tube concrete lower column, each of the second cross-shaped plates is inserted into the corresponding first independent space, and each of the third cross-shaped plates is inserted into the corresponding second independent space.

3. The perforated cross-shaped plate grouting connection node according to claim 2, characterized in that: In one of the first independent spaces and in the height direction of the first independent space, each through hole on the second cross-shaped plate is located between two adjacent pegs; in one of the second independent spaces and in the height direction of the second independent space, each through hole on the third cross-shaped plate is located between two adjacent pegs.

4. The perforated cross-shaped plate grouting connection node according to claim 2, characterized in that: The second cross-shaped plate includes mutually perpendicular A plate surfaces, one of which is parallel to one inner wall of the first independent space, and the distance between the parallel inner wall of the first independent space and the A plate surface is L, the length of the pin on the inner wall of the first independent space is l, and the relationship between l and L satisfies formula (1): l＜L （1） The third cross-shaped plate includes mutually perpendicular B plate surfaces, one of which is parallel to one inner wall of the second independent space, and the distance between the parallel inner wall of the second independent space and the B plate surface is L1, the length of the bolt on the inner wall of the second independent space is l1, and the relationship between L1 and l1 satisfies formula (2): l1＜L1（2）。 5. The perforated cross-shaped plate grouting connection node according to claim 1, characterized in that: The four outer side walls of the steel tube concrete upper column are respectively connected to an upper beam, and the bottom surface of each upper beam is flush with the bottom surface of the upper storage chamber. The four outer side walls of the steel tube concrete lower column are respectively connected to a lower beam, and the top surface of each lower beam is flush with the top surface of the lower storage chamber.

6. The perforated cross-shaped plate grouting connection node according to claim 1, characterized in that: A first groove is arranged at the edge of the bottom surface of the upper accommodating chamber, and a second groove is arranged at the edge of the top surface of the lower accommodating chamber. The first groove is matched with the second groove. When the upper concrete-filled steel tube column is connected with the lower concrete-filled steel tube column, the first groove is connected with the second groove to obtain a third groove, and the horizontal connecting plate is embedded in the third groove.

7. The perforated cross-shaped plate grouting connection node according to claim 1, characterized in that: A first elastic member is provided at the bottom end of the outer periphery of the steel tube concrete upper column, and a second elastic member is provided at the top end of the outer periphery of the steel tube concrete lower column. When the steel tube concrete upper column is connected to the steel tube concrete lower column, the first elastic member and the second elastic member are assembled to obtain a closed elastic member, and the closed elastic member seals the connection between the steel tube concrete upper column and the steel tube concrete lower column into a closed space.

8. A method for grouting and connecting a cross-shaped plate with a hole, characterized in that: The perforated cross-shaped plate grouting connection node according to any one of claims 1 to 7 comprises: Align the upper plate surface of the horizontal connecting plate with the upper accommodation chamber, and align the lower plate surface of the horizontal connecting plate with the lower accommodation chamber; connect the upper concrete-filled steel tube column with the lower concrete-filled steel tube column through the horizontal connecting plate; The steel tube concrete upper column and the steel tube concrete lower column are grouting respectively.

9. The grouting connection method of the perforated cross-shaped plate according to claim 8, characterized in that: Aligning the upper plate surface of the horizontal connecting plate with the upper accommodating chamber, and aligning the lower plate surface of the horizontal connecting plate with the lower accommodating chamber; Connecting the steel tube concrete upper column and the steel tube concrete lower column through the horizontal connecting plate comprises: Align each of the second cross-shaped plates with each of the corresponding first independent spaces, and insert each of the second cross-shaped plates into the corresponding first independent spaces until the upper plate surface of the horizontal connecting plate abuts against the top surface of the first groove; align each of the third cross-shaped plates with each of the corresponding second independent spaces, and insert each of the third cross-shaped plates into the corresponding second independent spaces until the lower plate surface of the horizontal connecting plate abuts against the bottom surface of the second groove.

10. The grouting connection method of the perforated cross-shaped plate according to claim 8, characterized in that: The grouting of the upper concrete-filled steel tube column and the lower concrete-filled steel tube column comprises: The upper accommodating chamber is grouted with grouting material through the grouting opening on the outer wall of the upper accommodating chamber, and the lower accommodating chamber is grouted with grouting material through the grouting opening on the outer wall of the lower accommodating chamber.

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