Steel tube concrete split column

Abstract

The present invention discloses a steel tube concrete split column, comprising a body, a first support mechanism and a second support mechanism are fixedly connected to the top and bottom surfaces of the body respectively, a plurality of steel beams are fixedly connected to the first support mechanism at equal intervals in the circumferential direction, one end of the steel beam close to the body is fixedly connected to the body, and the body is hollow and filled with concrete. The steel tube concrete split column of the present invention is provided with a first support mechanism and a second support mechanism on the top and bottom surfaces of the body respectively, so as to fix the body and form a plurality of monomer structures into an integral structure, which not only satisfies the cooperative working performance of the split column and concrete, but also facilitates construction.

Description

Technical Field

[0001] The invention relates to the technical field of building structures, in particular to a steel tube concrete split column. Background Art

[0002] With the increasing activity of crustal movement in recent years, urban seismic resilience has gradually become a hot research topic. The essence of urban resilience is the ability of cities and society to withstand earthquakes, among which the resilience of urban engineering and major foundation design is the key to achieving urban resilience. Due to the need to bear large vertical loads, giant cross-section columns often appear in actual projects, such as bridge piers and giant frame columns of super high-rise buildings. As key components that bear vertical and lateral forces, giant cross-section columns have large cross-sectional dimensions, usually ranging from several square meters to tens of square meters, and their stress state is complex. They mainly use steel-concrete composite structures. The seismic performance of such components is an important factor affecting structural resilience.

[0003] Split technology refers to the construction measure of setting vertical joints in components to greatly improve the ductility of components. It has been applied in concrete short columns and shear wall components. This split technology is very suitable for giant steel tube concrete columns. It can split giant cross-section columns into multiple small cross-section columns, which not only meets the cooperative working performance of steel tubes and concrete, but also facilitates construction.

[0004] Therefore, a new type of steel tube concrete split column is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a steel tube concrete split column to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the present invention provides the following solution: The present invention provides a steel tube concrete split column, comprising a main body, the top and bottom surfaces of the main body are respectively fixedly connected to a first supporting mechanism and a second supporting mechanism, a plurality of steel beams are fixedly connected to the first supporting mechanism at equal intervals in the circumferential direction, the steel beams are fixedly connected to the main body at one end close to the main body, and the main body is hollow and filled with concrete.

[0007] Preferably, the first supporting mechanism includes two first annular reinforcement plates respectively fixed to the main body, the two first annular reinforcement plates are located on the outside of the main body, the steel beam is fixed between the two first annular reinforcement plates, a first cross connecting plate is fixed inside the two first annular reinforcement plates, the first cross connecting plate is located between the main bodies, and a first node transition zone is provided at the bottom of the first annular reinforcement plate located at the bottom, and the bottom of the first cross connecting plate extends into the first node transition zone.

[0008] Preferably, the second supporting mechanism includes two second annular reinforcement plates respectively fixed to the bottom of the main body, the two second annular reinforcement plates are located on the outside of the main body, a second cross connecting plate is fixed inside the two second annular reinforcement plates, the second cross connecting plate is fixed between the main bodies, and a second node transition zone is provided on the top of the second annular reinforcement plate located at the top, and the top of the second cross connecting plate extends into the second node transition zone.

[0009] Preferably, the main body is composed of a plurality of steel pipes, the first annular reinforcement plate, the steel beam and the second annular reinforcement plate are respectively fixedly connected to the steel pipes, and the first cross connecting plate and the second cross connecting plate are respectively located between the steel pipes.

[0010] Preferably, the first annular reinforcement plate located at the top of the steel pipe is located lower than the top surface of the steel pipe.

[0011] Preferably, a gap is provided between the steel pipes, and the gap is located between the first cross connecting plate and the second cross connecting plate.

[0012] Preferably, the steel beam is an I-beam.

[0013] Preferably, the top surface of the steel pipe is flush with the top surface of the first cross connecting plate.

[0014] Preferably, a construction method of a steel tube concrete split column comprises the following steps:

[0015] a. Assemble steel pipes and assemble several steel pipes into a rectangle;

[0016] b. Install the first support structure and the second support mechanism, and fix the first support mechanism and the second support mechanism to the steel pipe respectively;

[0017] c. Pour concrete: pour concrete into the steel pipe.

[0018] The present invention discloses the following technical effects: the steel tube concrete split column of the present invention respectively arranges a first supporting mechanism and a second supporting mechanism on the top surface and the bottom surface of the main body to fix the main body, so that a plurality of monomer structures form an integral structure, which not only satisfies the cooperative working performance of the split column and concrete, but also facilitates construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. 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 paying creative work.

[0020] Figure 1 It is a structural schematic diagram of the steel tube concrete split column of the present invention;

[0021] Figure 2 is a schematic diagram of the structure of the first cross connecting plate and the second cross connecting plate;

[0022] Figure 3 This is a schematic diagram of the structure of Embodiment 2 of the present invention;

[0023] Figure 4 is a schematic structural diagram of the second groove in Example 2;

[0024] Figure 5 This is a schematic diagram of the structure of Embodiment 3 of the present invention;

[0025] Among them, 1. steel beam; 2. first annular reinforcement plate; 3. first cross connecting plate; 4. first node transition zone; 5. second annular reinforcement plate; 6. second cross connecting plate; 7. second node transition zone; 8. steel pipe; 9. gap; 10. first groove; 11. second groove; 12. auxiliary connecting plate; 13. first longitudinal beam; 14. first cross beam. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments 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.

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] Example 1

[0029] Reference Figure 1-2 The present invention provides a steel tube concrete split column, including a main body, the top and bottom surfaces of the main body are respectively fixedly connected to a first supporting mechanism and a second supporting mechanism, a plurality of steel beams 1 are fixedly connected to the first supporting mechanism at equal intervals in the circumferential direction, one end of the steel beam 1 close to the main body is fixedly connected to the main body, and the main body is hollow and filled with concrete.

[0030] The first supporting mechanism and the second supporting mechanism are respectively arranged on the top surface and the bottom surface of the main body to fix the main body so that a plurality of monomer structures form an integral structure, which not only satisfies the cooperative working performance of the split column and concrete, but also facilitates construction.

[0031] A further optimized solution is that the first supporting mechanism includes two first annular reinforcement plates 2 respectively fixed to the main body, the two first annular reinforcement plates 2 are located on the outside of the main body, a steel beam 1 is fixed between the two first annular reinforcement plates 2, a first cross connecting plate 3 is fixed inside the two first annular reinforcement plates 2, the first cross connecting plate 3 is located between the main bodies, and a first node transition zone 4 is provided at the bottom of the first annular reinforcement plate 2 located at the bottom, and the bottom of the first cross connecting plate 3 extends into the first node transition zone 4.

[0032] The top of the main body is fixedly connected by two first annular reinforcement plates 2, and a plurality of steel pipes 8 are connected by a first cross connecting plate 3, so that the plurality of steel pipes 8 surround the whole body and form a rectangular cross section on the top, and a steel beam 1 or a giant truss beam is placed between the two first annular reinforcement plates 2.

[0033] A further optimized solution is that the second supporting mechanism includes two second annular reinforcement plates 5 respectively fixed to the bottom of the main body, the two second annular reinforcement plates 5 are located on the outside of the main body, a second cross connecting plate 6 is fixed inside the two second annular reinforcement plates 5, the second cross connecting plate 6 is fixed between the main bodies, and a second node transition zone 7 is provided on the top of the second annular reinforcement plate 5 located at the top, and the top of the second cross connecting plate 6 extends into the second node transition zone 7.

[0034] By fixing two first annular reinforcing plates 2 at the bottom of the main body, the bottom of the main body is fixed so that a plurality of steel beams 1 are surrounded into a whole.

[0035] According to a further optimized solution, the main body is composed of a plurality of steel pipes 8, the first annular reinforcement plate 2, the steel beam 1 and the second annular reinforcement plate 5 are respectively fixedly connected to the steel pipes 8, and the first cross connecting plate 3 and the second cross connecting plate 6 are respectively located between the steel pipes 8.

[0036] In this embodiment, the number of the steel tubes 8 is preferably four, and the four steel tubes 8 are placed on the outside of the first cross connecting plate 3 and the second cross connecting plate 6 respectively.

[0037] According to a further optimization scheme, the position of the first annular reinforcement plate 2 located on the top of the steel pipe 8 is lower than the top surface of the steel pipe 8 .

[0038] According to a further optimized solution, gaps 9 are provided between the steel pipes 8 , and the gaps 9 are located between the first cross connecting plate 3 and the second cross connecting plate 6 .

[0039] To further optimize the solution, the steel beam 1 is an I-beam.

[0040] According to a further optimized solution, the top surface of the steel pipe 8 is flush with the top surface of the first cross connecting plate 3 .

[0041] A construction method for a steel tube 8 concrete split column comprises the following steps:

[0042] a. Assemble the steel pipe 8, assemble four steel pipes 8 of the same specification into a main body having a rectangular cross section;

[0043] b. Install the first support structure and the second support mechanism, install the first cross connecting plate 3 between the four steel pipes 8, and sleeve the two first annular reinforcing plates 2 on the outside of the steel pipes 8 and fix them by welding, the steel beam 1 located between the two first annular reinforcing plates 2 is respectively fixed to the first annular reinforcing plates 2 and the steel pipes 8 by welding or bolts, install the second cross connecting plate 6 on the bottom of the steel pipes 8, and sleeve the two second annular reinforcing plates 5 on the outside of the steel pipes 8, and fix the steel pipes 8, the second annular reinforcing plates 5 and the second cross connecting plate 6 by welding;

[0044] c. Pouring concrete: pouring concrete into the steel pipe 8.

[0045] Example 2

[0046] Reference Figure 3-4 In order to enhance the stability of the connection between the second cross connecting plate 6 and the second annular reinforcing plate 5, on the basis of Example 1, a plurality of first grooves 10 are fixedly connected to the inner wall of the second annular reinforcing plate 5 at equal intervals, and a second groove 11 is provided on the side of the second cross connecting plate 6 close to the second annular reinforcing plate 5, and the second groove 11 is adapted to the first groove 10, and an auxiliary connecting plate 12 is symmetrically fixedly connected to the top of the second groove 11, and the auxiliary connecting plate 12 is fixedly connected to the second cross connecting plate 6, and the auxiliary connecting plate 12 is fixedly connected to the second annular reinforcing plate 5 by screws.

[0047] By providing a first groove 10 in the second annular reinforcing plate 5 and a second groove 11 in the second cross connecting plate 6, the two are plugged into each other, thereby increasing the connection stability between the two.

[0048] Example 3

[0049] Reference Figure 5 A first longitudinal beam 13 and two first cross beams 14 are respectively fixedly connected to both ends of the steel tube 8. The first longitudinal beam 13 is fixedly connected to the inner wall of the steel tube 8. The two first cross beams 14 are respectively fixedly connected to both sides of the first longitudinal beam 13. One end of the first cross beam 14 away from the first longitudinal beam 13 is fixedly connected to the inner wall of the steel tube 8.

[0050] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0051] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. Steel tube concrete split column, characterized by: It comprises a body, wherein the top surface and the bottom surface of the body are respectively fixedly connected to a first supporting mechanism and a second supporting mechanism, a plurality of steel beams (1) are fixedly connected to the first supporting mechanism at equal intervals in the circumferential direction, and one end of the steel beam (1) close to the body is fixedly connected to the body, and the body is hollow and filled with concrete; The first supporting mechanism comprises two first annular reinforcing plates (2) respectively fixed to the body, the two first annular reinforcing plates (2) being located outside the body, the steel beam (1) being fixed between the two first annular reinforcing plates (2), a first cross connecting plate (3) being fixed inside the two first annular reinforcing plates (2), the first cross connecting plate (3) being located between the body, a first node transition zone (4) being provided at the bottom of the first annular reinforcing plate (2) located at the bottom, the bottom of the first cross connecting plate (3) extending into the first node transition zone (4); The second supporting mechanism comprises two second annular reinforcing plates (5) respectively fixed to the bottom of the body, the two second annular reinforcing plates (5) are located on the outside of the body, a second cross connecting plate (6) is fixed inside the two second annular reinforcing plates (5), the second cross connecting plate (6) is fixed between the bodies, a second node transition zone (7) is provided at the top of the second annular reinforcing plate (5) located at the top, and the top of the second cross connecting plate (6) extends into the second node transition zone (7).

2. The steel tube concrete split column according to claim 1, characterized in that: The main body is composed of a plurality of steel pipes (8); the first annular reinforcement plate (2), the steel beam (1) and the second annular reinforcement plate (5) are respectively fixedly connected to the steel pipes (8); and the first cross connecting plate (3) and the second cross connecting plate (6) are respectively located between the steel pipes (8).

3. The steel tube concrete split column according to claim 2, characterized in that: The first annular reinforcement plate (2) located at the top of the steel pipe (8) is located lower than the top surface of the steel pipe (8).

4. The steel tube concrete split column according to claim 2, characterized in that: Gaps (9) are provided between the steel pipes (8), and the gaps (9) are located between the first cross connecting plate (3) and the second cross connecting plate (6).

5. The steel tube concrete split column according to claim 1, characterized in that: The steel beam (1) is an I-beam.

6. The steel tube concrete split column according to claim 2, characterized in that: The top surface of the steel pipe (8) is flush with the top surface of the first cross connecting plate (3).

7. The construction method of the steel tube concrete split column according to any one of claims 1 to 6, characterized in that: The following steps are involved: a. Assembling steel pipes (8), assembling a plurality of steel pipes (8) into a rectangle; b. Install the first supporting structure and the second supporting structure, and fix the first supporting structure and the second supporting structure to the steel pipe (8) respectively; c. Pour concrete into the steel pipe (8).

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