Composite steel column and construction method thereof

Abstract

The application discloses a complex combined structure steel column and a construction method thereof, which comprises a round steel core column, four inner support assemblies, a connecting plate and a profile steel column. The inner support assembly comprises two oppositely arranged top support vertical plates which are vertically arranged and have opposite first sides and second sides. The first side of the top support vertical plate is connected to the circumferential surface of the round steel core column, and the second sides of the two top support vertical plates are connected with a tie plate. The four inner support assemblies are arranged at equal intervals along the circumferential direction of the round steel core column. The connecting plate is connected between the second sides of the top support vertical plates of two adjacent inner support assemblies. The profile steel column comprises two angle arranged flange plates, one side of each of the two flange plates is connected together, and the other side of each of the two flange plates is connected to the second side of the top support vertical plate of the inner support assembly. The application solves the problem that the bearing capacity of the traditional steel pipe column or the profile steel column cannot meet the construction demand of the building structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of building construction, in particular to a complex composite steel column and a construction method thereof. BACKGROUND

[0002] In building engineering, especially in the construction of steel structure, structural steel column is a common component. The existing structural steel column mostly adopts steel pipe column or profile steel column. With the increasing perfection of steel structure construction and building technology, the bearing capacity of traditional steel pipe column or profile steel column cannot meet the needs.

[0003] The information disclosed in this BACKGROUND section is only for the purpose of increasing the understanding of the background of the present application and should not be taken as admitting that such information forms prior art that is already known to those of ordinary skill in the art. SUMMARY

[0004] In order to overcome the defects of the prior art, the present application provides a complex composite steel column and a construction method thereof, so as to solve the problem that the bearing capacity of traditional steel pipe column or profile steel column cannot meet the construction needs of building structure.

[0005] In order to achieve the above-mentioned purpose, a complex composite steel column is provided, which comprises:

[0006] a round steel core column;

[0007] four inner support assemblies, the inner support assembly comprises two oppositely arranged top support vertical plates, the top support vertical plate is vertically arranged, the top support vertical plate has opposite first side and second side, the first side of the top support vertical plate is connected to the circumferential surface of the round steel core column, the second side of the two top support vertical plates is connected with a tie plate, and the four inner support assemblies are arranged at equal intervals along the circumferential direction of the round steel core column;

[0008] a connecting plate connected between the second sides of the top support vertical plates of two adjacent inner support assemblies;

[0009] a profile steel column, the profile steel column comprises two angle arranged flange plates, one side of the two flange plates is connected together, and the other side of the two flange plates is respectively connected to the second side of the two top support vertical plates of the inner support assembly.

[0010] Further, the top support vertical plate is arranged along the radial direction of the round steel core column.

[0011] Further, the top support vertical plates of the four inner support assemblies are arranged at equal intervals along the circumferential direction of the round steel core column.

[0012] Further, the width of the connecting plate is adapted to the width of the tie plate.

[0013] Further, the two flange plates are vertically arranged, and the flange plates are arranged along the plate surface direction of the connecting plate.

[0014] The application provides a construction method of a complex composite steel column, comprising the following steps:

[0015] The round steel core column is vertically arranged at the installation position.

[0016] Four sets of bracing vertical plates are arranged along the circumferential direction of the round steel core column at equal intervals, each set of the bracing vertical plate comprises two oppositely arranged bracing vertical plates, and the first side of the bracing vertical plate is connected to the circumferential surface of the round steel core column.

[0017] A tie plate is connected between the second sides of the two oppositely arranged bracing vertical plates to form an inner bracing assembly, and four sets of the inner bracing assemblies are arranged along the circumferential direction of the round steel core column at equal intervals.

[0018] A steel column is arranged at the outer side of each set of the inner bracing assembly, and the other side of the two flange plates of the steel column is connected to the second side of the two bracing vertical plates of the inner bracing assembly, respectively.

[0019] A connecting plate is connected between the second sides of the bracing vertical plates of two adjacent sets of the inner bracing assembly to form a complex composite steel column.

[0020] The complex composite steel column of the application can be manufactured by following reasonable assembly and welding steps under the premise of meeting the relevant national standards, and the complex composite steel column is formed by using a round steel core column, an inner bracing assembly, a steel column and a connecting plate, so that the bearing capacity of the complex composite steel column is high, the concealed welds have good operability, and the welding quality between the plates is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0021] Other features, objects and advantages of the application will become more apparent from the following detailed description of non-limiting embodiments, made with reference to the following drawings:

[0022] Fig. 1 FIG. 1 is a structural schematic diagram of a complex composite steel column according to an embodiment of the application.

[0023] Fig. 2 FIG. 2 is a top view of the complex composite steel column according to the embodiment of the application.

[0024] Figs. 3-5 FIG. 3 is a step schematic diagram of a construction method of the complex composite steel column according to the embodiment of the application. DETAILED DESCRIPTION

[0025] The application will be described in further detail below with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not intended to limit the application. In addition, it should be noted that, for the purpose of clarity, only those parts of the drawings that are necessary for illustrating the application are shown.

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in further detail below with reference to the drawings and embodiments.

[0027] Referring to Figs. 1-5 , the present application provides a complex composite steel column, comprising a round steel core column 1, an inner support assembly 2, a profile steel column 3 and a connecting plate 4.

[0028] In the present embodiment, the round steel core column 1 is a steel pipe column. The round steel core column is in a cylindrical shape.

[0029] The number of the inner support assemblies 2 is four. Specifically, each of the inner support assemblies 2 comprises a top support vertical plate 21 and a tie plate 22.

[0030] The number of the top support vertical plates 21 is two. The two top support vertical plates 21 are oppositely arranged. In the present embodiment, the top support vertical plates 21 are vertically arranged. The top support vertical plates 21 are arranged along the radial direction of the round steel core column 1.

[0031] The top support vertical plate 21 has opposite first and second sides. The first side of the top support vertical plate 21 is connected to the circumferential surface of the round steel core column 1. The second sides of the two top support vertical plates 21 are connected by the tie plate 22. The four inner support assemblies 2 are equally spaced along the circumferential direction of the round steel core column 1.

[0032] The connecting plate 4 is connected between the second sides of the top support vertical plates 21 of the adjacent two inner support assemblies 2.

[0033] The number of the profile steel columns 3 is adapted to the number of the inner support assemblies. Specifically, each of the profile steel columns 3 comprises two flange plates 31 arranged at an angle. One side of the two flange plates 31 is connected together. The other side of the two flange plates 31 is respectively connected to the second sides of the two top support vertical plates 21 of the inner support assemblies 2.

[0034] In the present embodiment, the top support vertical plates 21 of the four inner support assemblies 2 are equally spaced along the circumferential direction of the round steel core column 1.

[0035] As a preferred implementation, the width of the connecting plate 4 is adapted to the width of the tie plate 22.

[0036] Continuing to refer to Fig. 2 , the two flange plates 31 of the profile steel column are perpendicularly arranged. The flange plates 31 are arranged along the plate surface direction of the connecting plate 4.

[0037] The application provides a construction method of a complex composite structure steel column.

[0038] S1: vertically arranging a round steel core column 1 at an installation position.

[0039] The round steel core column 1 is formed by rolling a steel plate and straight seam welding.

[0040] S2: arranging four sets of bracing vertical plates 21 along the circumferential direction of the round steel core column 1 at equal intervals, each set of bracing vertical plates 21 including two oppositely arranged bracing vertical plates 21, and connecting the first side of the bracing vertical plates 21 to the circumferential surface of the round steel core column 1.

[0041] On the round steel core column 1, four bisecting lines and positioning dimension lines of the bracing vertical plates are drawn according to the deepening drawing, and the above-mentioned parts are assembled.

[0042] S3: connecting tie plates between the second sides of the two oppositely arranged bracing vertical plates 21 to form inner bracing assemblies 2, and arranging four inner bracing assemblies 2 along the circumferential direction of the round steel core column 1 at equal intervals.

[0043] The bracing vertical plates and the tie plates are cut by a plasma cutting machine. The second side of the bracing vertical plate is provided with a 35° bevel. The two sides of the tie plate are provided with 35° bevels. The bracing vertical plate and the round steel core column, and the bracing vertical plate and the tie plate are provided with reserved welding gaps to ensure full penetration welding.

[0044] On the bracing vertical plate, a positioning line is drawn according to the deepening drawing, and the tie plate is assembled. After the above-mentioned parts are assembled, the above-mentioned welds are welded.

[0045] S4: arranging a steel column 3 on the outer side of each inner bracing assembly 2, and connecting the other side of the two flange plates 31 of the steel column 3 to the second sides of the two bracing vertical plates 21 of the inner bracing assembly 2, respectively.

[0046] The steel column is cut by a flame plasma cutting machine. When cutting, the flange plate of the steel column is required to be provided with a bevel, the bevel angle is 35°, and a heel is reserved. Before assembly, the heel is cut off by a flame cutting machine. The bevels of the flange plates are all outer bevels, and reserved welding gaps are provided to ensure full penetration welding.

[0047] The steel column is assembled on the inner bracing assembly according to the deepening drawing, and then the second side of the bracing vertical plate of the inner bracing assembly and the flange plate of the steel column are welded, and the weld is required to be a full penetration weld.

[0048] S5: connecting a connecting plate 4 between the second sides of the bracing vertical plates 21 of two adjacent inner bracing assemblies 2 to form a complex composite structure steel column.

[0049] The connecting plate is cut by a flame cutting machine, and the connecting plate is not provided with a bevel. When the steel column and the connecting plate are assembled, an assembly gap is reserved to ensure full penetration welding.

[0050] According to the deepening diagram size, the connecting plate is assembled to the flange plate of the steel column, a reserved groove gap is reserved, and welding is carried out after assembly, and the welding level is full penetration first class weld.

[0051] The complex composite steel column of the application has reasonable assembly and welding steps under the premise of meeting the relevant national standards, uses a round steel core column, an inner support assembly, a steel column and a connecting plate to form the complex composite steel column, the complex composite steel column has high bearing capacity, and the concealed welds have good operability, thereby ensuring the welding quality between the plate pieces.

[0052] The complex composite steel column of the application has reasonable assembly sequence, reduces the number of component turning and moving, shortens the production cycle, improves work efficiency and saves manufacturing cost.

[0053] The complex composite steel column of the application has reasonable groove form according to the national standard and the structure form of the component, reduces the filling amount of the deposited metal under the premise of ensuring the welding quality, and selects reasonable welding process parameters through laboratory welding experiments.

[0054] The complex composite steel column of the application is strictly manufactured according to the national standard requirements during assembly and welding, has strong operability, ensures the implementability of all welds, and ensures the assembly precision and welding quality.

[0055] The above description is only the preferred embodiment of the application and the explanation of the applied technical principles. It should be understood by those skilled in the art that the scope of the application involved in the application is not limited to the technical solutions formed by the specific combination of the above technical features, and also covers other technical solutions formed by the arbitrary combination of the above technical features or equivalent features without departing from the inventive concept. For example, the technical solutions formed by the mutual replacement of the above features and the technical features disclosed in the application (but not limited to) having similar functions.

Claims

1. A construction method for complex composite structure steel columns, characterized in that: The complex composite structure steel column includes: a round steel core column; four internal support assemblies, the internal support assembly includes two oppositely arranged top support vertical plates, the top support vertical plates are vertically arranged, the top support vertical plates have a first side and a second side opposite to each other, the first side of the top support vertical plate is connected to the circumferential surface of the round steel core column, a tie plate is connected between the second sides of the two top support vertical plates, the four internal support assemblies are arranged at equal intervals along the circumferential direction of the round steel core column; a connecting plate is connected between the second sides of the top support vertical plates of two adjacent internal support assemblies; a section steel column, the section steel column includes two flange plates arranged at an angle, one side of the two flange plates are connected together, and the other side of the two flange plates are respectively connected to the second sides of the two top support vertical plates of the internal support assembly. The construction method of the complex composite structure steel column includes the following steps: Place the round steel core column vertically at the installation location; Four top support vertical plates are arranged at equal intervals along the circumferential direction of the round steel core column, each of the top support vertical plates includes two top support vertical plates arranged opposite to each other, and a first side of the top support vertical plate is connected to the circumferential surface of the round steel core column; Connecting a tie plate between the second sides of the two oppositely arranged top support vertical plates to form an inner support assembly, wherein the inner support assemblies are arranged at equal intervals along the circumference of the round steel core column; A steel column is respectively arranged on the outer side of each inner support assembly, and the other sides of the two flange plates of the steel column are respectively connected to the second sides of the two top support vertical plates of the inner support assembly; The connecting plate is connected between the second sides of the top supporting vertical plates of two adjacent inner supporting assemblies to form a complex composite structural steel column.

2. The construction method of complex composite structure steel column according to claim 1, characterized in that: The supporting vertical plate is arranged along the radial direction of the round steel core column.

3. The construction method of complex composite structure steel column according to claim 2, characterized in that: The top supporting vertical plates of the four inner supporting assemblies are arranged at equal intervals along the circumferential direction of the round steel core column.

4. The construction method of complex composite structure steel column according to claim 3, characterized in that: The width of the connecting plate is adapted to the width of the tie plate.

5. The construction method of complex composite structure steel column according to claim 1, characterized in that: The two flange plates are arranged vertically, and the flange plates are arranged along the plate surface direction of the connecting plate.

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