Connecting structure of concrete filled steel tubular column and fabricated shear wall

Abstract

A concrete filled steel tubular column and fabricated shear wall connecting structure comprises a square steel tube and a shear wall and is characterized in that in-tube concrete is poured into the square steel tube, shear wall transverse steel bars and shear wall longitudinal steel bars are bound in the shear wall, and a plurality of steel tube side wall holes are formed in the side face, close to the shear wall, of the square steel tube; steel sleeves are inserted into the steel pipe side wall holes, one ends of the steel sleeves are inserted into the square steel pipes, the other ends of the steel sleeves extend out of the square steel pipes, the ends, extending out of the square steel pipes, of the steel sleeves are fixedly connected with fixed connecting bases, and the fixed connecting bases are fixedly connected with shear wall transverse steel bars and shear wall longitudinal steel bars in the shear wall. The steel sleeves are arranged in the concrete-filled steel tubular column in advance, the outer ends of the steel sleeves are fixedly connected with the connecting seats through the high-strength screws, then the connecting seats are fixedly connected with the shear wall transverse steel bars, welding damage to the outer walls of the steel sleeves is avoided, mounting is convenient, the construction period is short, and the construction efficiency is improved. And the connection is firmer and more stable.

Description

TECHNICAL FIELD

[0001] The application relates to a concrete column and shear wall connecting structure, in particular to a steel pipe concrete column and fabricated shear wall connecting structure, and belongs to the technical field of building engineering. BACKGROUND

[0002] The steel pipe concrete column has the advantages of short construction period and good seismic performance, and the fabricated shear wall and the steel pipe concrete column are used in cooperation to better exert the advantages of the fabricated component, the connecting part between the steel pipe concrete column and the fabricated shear wall is the weakest part in stress, and determines the durability and safety of the building. The fabricated shear wall has a large number of longitudinal and transverse intersecting steel bars, the steel pipe concrete column and the internal steel bars of the shear wall are fixed in a direct welding mode, which is difficult to construct, is difficult to guarantee the welding quality, and is prone to weakening the steel pipe wall, and the welding process and direct stress will adversely affect the hoop constraint of the steel pipe on the internally poured concrete, and will seriously weaken the excellent mechanical properties of the steel pipe concrete column.

[0003] Therefore, a reliable connecting structure is lacked for a long time, the steel pipe concrete column and the fabricated shear wall are reliably connected, the connecting operation is simple, and meanwhile the mechanical properties of the steel pipe concrete column are not affected. SUMMARY

[0004] The application aims at the defects and shortcomings that the existing steel pipe concrete column and the internal steel bars of the shear wall are fixed in a direct welding mode, which is difficult to construct, is difficult to guarantee the welding quality, is prone to weakening the steel pipe wall, and the welding process and direct stress will adversely affect the hoop constraint of the steel pipe on the internally poured concrete, and will seriously weaken the excellent mechanical properties of the steel pipe concrete column, and provides a steel pipe concrete column and fabricated shear wall connecting structure which is reasonable in structure, does not adversely affect the steel pipe concrete column, is reliable in connection of the steel pipe concrete column and the internal steel bars of the shear wall, simple in connection and installation, and high in construction efficiency.

[0005] To achieve the above application purposes, the technical scheme of the application is as follows: a steel pipe concrete column and fabricated shear wall connecting structure, which comprises a square steel pipe and a shear wall, characterized in that: the square steel pipe is internally poured with in-pipe concrete, the shear wall is internally bound with shear wall transverse steel bars and shear wall longitudinal steel bars, a plurality of steel pipe side wall holes are formed on the side surface of the square steel pipe close to the shear wall, a steel sleeve is inserted into the steel pipe side wall hole, one end of the steel sleeve is inserted into the square steel pipe, the other end of the steel sleeve extends out of the square steel pipe, a fixed connecting seat is fixedly connected to the end of the steel sleeve extending out of the square steel pipe, and the fixed connecting seat is fixedly connected with the shear wall transverse steel bars and the shear wall longitudinal steel bars in the shear wall.

[0006] Further, the fixed connecting seat is a channel steel, an I-steel or a T-steel, the fixed connecting seat comprises a transverse steel plate and a longitudinal steel plate, the transverse steel plate is provided with transverse connecting slot holes, the longitudinal steel plate is provided with longitudinal connecting slot holes, the shear wall transverse steel bars pass through the transverse connecting slot holes, and the shear wall longitudinal steel bars pass through the longitudinal connecting slot holes.

[0007] Further, the plurality of steel pipe side wall holes are uniformly and equidistantly arranged on the side of the square steel pipe.

[0008] Further, the outer end of the steel sleeve extending out of the square steel pipe is provided with an internal thread, and the fixed connecting seat is fixed to the outer end of the steel sleeve through a high-strength screw rod.

[0009] Further, the outer end of the steel sleeve extending out of the square steel pipe is welded to the fixed connecting seat.

[0010] The beneficial effects of the application are as follows:

[0011] 1. The application adopts a steel sleeve preset in a concrete-filled steel tube column, the steel sleeve is connected with a fixed connecting seat outside, and the fixed connecting seat is connected with shear wall transverse steel bars and shear wall longitudinal steel bars, so that the outer wall of the steel sleeve is not damaged by welding, the installation is convenient, the construction period is short, and the connection is firm and stable.

[0012] 2. The application has a reasonable structure, the shear wall transverse steel bars and the shear wall longitudinal steel bars pass through the fixed connecting seat, and are integrated through concrete pouring in the later period, so that the shear wall transverse steel bars and the shear wall longitudinal steel bars are connected with the fixed connecting seat very firmly, and the connection between the concrete-filled steel tube column and the shear wall through the fixed connecting seat is more reliable. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structure schematic view of the fixed connecting seat adopting a channel steel.

[0014] Figure 2 is Figure 1 a structure schematic view from above.

[0015] Figure 3 is Figure 1 a structure schematic view of A-A section in the fixed connecting seat.

[0016] Figure 4 is a structure schematic view of the installation of the fixed connecting seat and the steel sleeve through a high-strength screw rod.

[0017] Figure 5 is a structure schematic view of the fixed connecting seat adopting an I-steel.

[0018] Figure 6 is Figure 5 a structure schematic view from above.

[0019] In the diagram: 1. Square steel pipe; 2. Shear wall; 3. Concrete inside the pipe; 4. Horizontal reinforcement of the shear wall; 5. Longitudinal reinforcement of the shear wall; 6. Hole in the side wall of the steel pipe; 7. Steel sleeve; 8. Fixed connection seat; 9. Horizontal steel plate; 10. Longitudinal steel plate; 11. High-strength bolt; 12. Horizontal connection slot; 13. Longitudinal connection slot. Detailed Implementation

[0020] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] See Figures 1 to 6 This application discloses a steel-concrete composite column and prefabricated shear wall connection structure, comprising a square steel pipe 1 and a shear wall 2. The structure is characterized by: the square steel pipe 1 being filled with internal concrete 3; the shear wall 2 having transverse reinforcing bars 4 and longitudinal reinforcing bars 5 bound inside; the square steel pipe 1 having multiple sidewall holes 6 on its side near the shear wall 2; steel sleeves 7 being inserted into the sidewall holes 6; one end of the steel sleeve 7 being inserted into the square steel pipe 1; the other end of the steel sleeve 7 extending out of the square steel pipe 1; and a fixed connecting seat 8 being fixedly connected to the end of the steel sleeve 7 extending out of the square steel pipe 1; the fixed connecting seat 8 being fixedly connected to the transverse reinforcing bars 4 and longitudinal reinforcing bars 5 inside the shear wall 2.

[0022] The fixed connection seat 8 is a channel steel, I-beam steel or T-beam steel. The fixed connection seat 8 includes a transverse steel plate 9 and a longitudinal steel plate 10. A transverse connection slot 12 is opened on the transverse steel plate 9, and a longitudinal connection slot 13 is opened on the longitudinal steel plate 10. The transverse steel bar 4 of the shear wall passes through the transverse connection slot 12, and the longitudinal steel bar 5 of the shear wall passes through the longitudinal connection slot 13.

[0023] The plurality of sidewall holes 6 of the steel pipe are evenly and equidistantly arranged on the side of the square steel pipe 1.

[0024] The outer end of the steel sleeve 7 extending out of the square steel pipe 1 is provided with an internal thread, and the fixed connecting seat 8 is fixed to the outer end of the steel sleeve 7 by a high-strength screw 11.

[0025] The outer end of the steel sleeve 7 extending out of the square steel pipe 1 is welded and fixed to the fixed connecting seat 8.

[0026] The application is characterized in that a plurality of steel pipe side wall holes are arranged on the side wall of the square steel pipe close to the fabricated shear wall, a steel sleeve is welded in the square steel pipe corresponding to the steel pipe side wall hole, the outer end of the steel sleeve is a threaded hole, the threaded hole is outward, the outer side of the steel sleeve is connected and fixed with a fixed connecting seat through high-strength screw rod or welding, the fixed connecting seat can adopt T-shaped steel, I-shaped steel or channel steel, the T-shaped steel, I-shaped steel or channel steel has transverse steel plate and longitudinal steel plate, the middle part of the transverse steel plate and the longitudinal steel plate is vertically fixed, the transverse steel plate is connected and fixed with the steel sleeve through high-strength screw rod, the transverse steel plate is provided with transverse connecting slot holes, the transverse connecting slot holes are embedded with shear wall longitudinal steel bars and fixed, the longitudinal steel plate is provided with longitudinal connecting slot holes, the longitudinal connecting slot holes are embedded with shear wall transverse steel bars and fixed, the fixed connecting seat, high-strength screw rod, shear wall transverse steel bar, shear wall longitudinal steel bar and the like are poured into the wall body through cast-in-place.

[0027] The steel pipe concrete column comprises a square steel pipe 1, the square steel pipe 1 is filled with in-pipe concrete 3, and a plurality of longitudinal and transverse intersecting shear wall transverse steel bars 4 and shear wall longitudinal steel bars 5 are bound in the fabricated shear wall 2. A plurality of steel pipe side wall holes 6 are arranged on the side of the square steel pipe 1 close to the shear wall 2, and the plurality of steel pipe side wall holes 6 are uniformly and equidistantly arranged on the side of the square steel pipe 1. A steel sleeve 7 is welded in the square steel pipe corresponding to the steel pipe side wall hole 6, the inner end of the steel sleeve 7 is located in the square steel pipe 1, the outer end of the steel sleeve 7 extends out of the square steel pipe 1, and the outer end of the steel sleeve 7 is provided with an internal thread.

[0028] The outer end of the steel sleeve 7 is connected and fixed with a fixed connecting seat 8 through high-strength screw rod 11 or welding, the fixed connecting seat 8 can adopt channel steel, I-shaped steel or T-shaped steel, the channel steel, I-shaped steel or T-shaped steel mainly comprises transverse steel plate 9 and longitudinal steel plate 10, the longitudinal steel plate 10 on the fixed connecting seat 8 is provided with fixed through holes, and the longitudinal steel plate 10 is connected and fixed with the steel sleeve 7 through high-strength screw rod 11 installed on the fixed through holes.

[0029] The transverse steel plate 9 is provided with transverse connecting slot holes 12, the longitudinal steel plate 10 is provided with longitudinal connecting slot holes 13, the shear wall transverse steel bars 4 in the shear wall 2 pass through the transverse connecting slot holes 12, the shear wall longitudinal steel bars 5 pass through the longitudinal connecting slot holes 13, the shear wall transverse steel bars 4 and the shear wall longitudinal steel bars 5 pass through the transverse steel plate 9 and the longitudinal steel plate 10 to connect the fixed connecting seat 8 and the steel bars in the shear wall 2, and finally the fixed connecting seat, high-strength screw rod, shear wall transverse steel bar, shear wall longitudinal steel bar and the like are poured into the wall body through cast-in-place, so that the square steel pipe 1 and the shear wall 2 are firmly connected.

[0030] The above description is further detailed description of the present application in connection with the specific implementation, and cannot be considered as the specific implementation of the present application only limited to these descriptions. For ordinary skilled in the art to which the present application belongs, under the premise of not departing from the concept of the present application, the present application will have various simple replacements, improvements and changes, and various simple replacements, improvements and changes made should be considered as belonging to the protection scope of the present application.

Claims

1. A structure for connecting a concrete-filled steel tubular column to a fabricated shear wall, comprising a square steel tube (1) and a shear wall (2), characterized in that: The square steel pipe (1) is filled with in-pipe concrete (3), the shear wall (2) is bound with shear wall transverse steel bars (4) and shear wall longitudinal steel bars (5), a plurality of steel pipe side wall holes (6) are formed on the side of the square steel pipe (1) close to the shear wall (2), a steel sleeve (7) is inserted into the steel pipe side wall hole (6), one end of the steel sleeve (7) is inserted into the square steel pipe (1), the other end of the steel sleeve (7) extends out of the square steel pipe (1), the end of the steel sleeve (7) extending out of the square steel pipe (1) is fixedly connected with a fixed connecting seat (8), and the fixed connecting seat (8) is connected with the shear wall transverse steel bars (4) and the shear wall longitudinal steel bars (5) in the shear wall (2).

2. The connection structure of the concrete-filled steel tubular column and the fabricated shear wall according to claim 1, characterized in that: The fixed connecting seat (8) is a channel steel, an I-steel or a T-shaped steel, the fixed connecting seat (8) comprises a transverse steel plate (9) and a longitudinal steel plate (10), a transverse connecting groove hole (12) is formed in the transverse steel plate (9), and a longitudinal connecting groove hole (13) is formed in the longitudinal steel plate (10); the shear wall transverse steel bars (4) pass through the transverse connecting groove hole (12), and the shear wall longitudinal steel bars (5) pass through the longitudinal connecting groove hole (13).

3. The connection structure of the steel tube reinforced concrete column and the fabricated shear wall according to claim 1, characterized in that: The plurality of steel pipe side wall holes (6) are uniformly and equidistantly arranged on the side of the square steel pipe (1).

4. The connection structure of the steel tube reinforced concrete column and the fabricated shear wall according to claim 1, characterized in that: The outer end of the steel sleeve (7) extending out of the square steel pipe (1) is provided with an internal thread, and the fixed connecting seat (8) is fixed to the outer end of the steel sleeve (7) through a high-strength screw rod (11).

5. The connection structure of a concrete-filled steel tubular column and a fabricated shear wall according to claim 1, characterized in that: The outer end of the steel sleeve (7) extending out of the square steel pipe (1) is welded with the fixed connecting seat (8).

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