CN213837024U

CN213837024U - Node structure of cross square steel tube concrete column and floor

Info

Publication number: CN213837024U
Application number: CN202022563264.1U
Authority: CN
Inventors: 张洪彬; 周世栋; 王�琦
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-07-30
Anticipated expiration: 2030-11-07

Abstract

The utility model discloses a node structure of cross square steel tubular column and floor, including cross square steel tubular, concrete column, cross sleeve, cap structure, floor, short reinforcement and high strength bolt, the concrete column pour in the inside of cross square steel tubular, weld cap structure and cross sleeve in advance, then the floor is connected through the cap structure with concrete column, and cross square steel tubular carries out high strength bolted connection through the cross sleeve that is slightly bigger than its size on the horizontal direction, the floor passes through the short reinforcement of the appropriate size of settling on the horizontal direction with the cap structure, reserves good hole before passing floor lower part bulge and cap structure upper portion and realizes connecting. Therefore, the structure can bear larger load in the vertical direction and resist the load in the horizontal direction, so that the anti-seismic performance and the stability of the structure are improved, the construction is simple and convenient, and the characteristics of attractiveness are met.

Description

Node structure of cross square steel tube concrete column and floor

Technical Field

The utility model relates to a node structure, in particular to node structure that cross square steel core concrete column and floor are connected.

Background

Steel pipe concrete structures are widely used in steel concrete composite structures, and the steel pipe concrete structures are formed by pouring concrete into steel pipes and tamping the concrete to increase the strength and rigidity of the steel pipes. The structure gives full play to the advantages of two materials, namely the steel pipe and the concrete, has the advantages of high bearing capacity, good plasticity and toughness, convenience in construction and the like, and is widely applied to structures such as single-layer and multi-layer industrial factory building columns, high-rise buildings, bridges and the like.

The existing joint structures of the steel tube concrete column and the steel beam are more, the connection research on the steel tube concrete column and the floor is less, the column and the beam are generally directly connected, the connection between the column and the plate can only be similar to that of a beam-free floor, and the punching force of the column top is reduced through a column cap structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a node structure of cross square steel core concrete column and floor to mention the problem that how to be connected of steel core concrete column and floor among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a node structure of cross square steel core concrete column and floor, includes cross square steel pipe, concrete column, cross sleeve, cap structure, short steel bar and floor, the concrete column is pour in the inside of cross square steel pipe, gets up cap structure and cross sleeve welding in advance, then is connected floor and concrete column through the cap structure, utilizes the cap structure can let be connected between steel core concrete column and the floor and can bear great load, has improved the die-cut bearing capacity that receives of concrete column top department flat board, and cross square steel pipe carries out high strength bolted connection through the cross sleeve that is slightly bigger than its size on the horizontal direction.

As the utility model discloses a preferred technical scheme, node upper portion pass through welded connection by post cap structure and cross sleeve and become a whole, then set up the short reinforcement on through the horizontal direction with the floor again and be connected, cross sleeve and cross square steel pipe utilize the high strength bolt to be connected.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a node structure of cross square steel tubular column and floor, the theory of operation similar to no roof beam floor has been utilized, be connected floor and concrete column through the cap structure, utilize the cap structure can let be connected between concrete column and the floor and can bear great load, the dull and stereotyped die-cut bearing capacity that receives of concrete column top department has been improved, and cross square steel tubular horizontal direction carries out high strength bolted connection through the cross sleeve that is a little bigger than its size, not only can bear great load in vertical direction like this, also can resist the load on the horizontal direction, thereby make the anti-seismic performance and the stability ability of structure all obtain the improvement, and the construction is simple and convenient, pleasing to the eye characteristics have been accorded with again.

Drawings

Fig. 1 is a schematic view of a spatial three-dimensional structure of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the connection structure of the cap and the sleeve according to the present invention;

fig. 4 is a sectional view of the connection structure of the column cap and the floor slab of the present invention.

In the figure: 1. a floor slab; 2. a cap structure; 3. a cross-shaped sleeve; 4. a high strength bolt; 5. a cross-shaped square steel pipe; 6. a concrete column; 7. short reinforcing steel bars;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a node structure of a cross-shaped steel tube concrete column and a floor slab, which comprises a floor slab 1, a column cap structure 2, a cross-shaped sleeve 3, a cross-shaped square steel tube 4, a high-strength bolt 5, a concrete column 6 and a short steel bar 7, it is characterized in that the concrete column 6 is poured inside the cross-shaped square steel tube 5, then the floor slab 1 and the concrete column 6 are connected by the column cap structure 2 by utilizing the working principle similar to a beamless floor slab, the connection between the concrete column 6 and the floor slab 1 can bear larger load by utilizing the column cap structure 2, the punched bearing capacity of a flat plate at the top of the concrete column 6 is improved, and the cross-shaped square steel pipe 5 is fixed by connecting high-strength bolts 4 through a cross-shaped sleeve 3 which is slightly larger than the cross-shaped sleeve in the horizontal direction, and the floor slab 1 and the cap structure 2 are connected by placing the short reinforcing steel bars 7 through holes reserved in advance.

When specifically using, the utility model relates to a node structure of cross square steel tube concrete column and floor, at first weld cap structure 2 and cross sleeve 3 in advance, pour concrete column 6 in the inside of cross square steel tube 5, be connected floor 1 and cross square steel tube 5 through cap structure 2 again, utilize cap structure 2 can let be connected between concrete column 6 and the floor 1 and can bear great load, the dull and stereotyped die-cut bearing capacity that receives in concrete column 6 top has been improved, and cross square steel tube 5 horizontal direction is gone up and is carried out high strength bolt 4 through cross sleeve 3 slightly bigger than its size and be connected, floor 1 with cap structure 2 through the short reinforcing bar 7 of the appropriate size of placing on the horizontal direction, it realizes the connection to reserve the hole before passing floor 1 lower part bulge of floor and cap structure 2 upper portion, at last stretch out cap structure 2's both ends at short reinforcing bar 7 and install the nut that the size is suitable respectively and play the protection and do The application is as follows.

In the description of the present invention, it is to be understood that the terms "inside", "horizontal", "lower", "top", "between", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a node structure of cross square steel core concrete column and floor, includes floor (1), cap structure (2), cross sleeve (3), high strength bolt (4), cross square steel pipe (5), concrete column (6), short steel bar (7), its characterized in that: post cap structure (2) and cross sleeve (3) weld in advance, then pour concrete column (6) in the inside of cross square steel pipe (5), floor (1) is connected through post cap structure (2) with concrete column (6), and cross square steel pipe (5) carry out high strength bolt (4) through cross sleeve (3) than its size is slightly big on the horizontal direction and are connected, then floor (1) and post cap structure (2) are through short reinforcement (7) of the appropriate size of settling on the horizontal direction, it realizes connecting to reserve the hole that is good before passing floor (1) and post cap structure (2).

2. The joint structure of a cross-shaped square steel tube concrete column and a floor slab as claimed in claim 1, wherein: the concrete column is characterized in that the floor (1) is connected with the concrete column (6) through the column cap structure (2), holes are reserved in advance in the lower protruding portion of the floor (1) and the upper portion of the column cap structure (2), then the connection is achieved through the holes reserved in advance in the lower protruding portion of the floor (1) and the upper portion of the column cap structure (2) through short steel bars (7) with proper sizes arranged in the horizontal direction, and then a concrete protective layer is reserved on the upper portion.

3. The joint structure of a cross-shaped square steel tube concrete column and a floor slab as claimed in claim 1, wherein: the cross-shaped square steel pipe (5) is connected with the high-strength bolt (4) through the cross-shaped sleeve (3) which is slightly larger than the size of the cross-shaped square steel pipe, so that the restraint of the cross-shaped square steel pipe (5) in the horizontal direction is increased, and the load resisting capacity of the structure in the horizontal direction is improved.