CN219100339U

CN219100339U - Steel box girder and concrete girder hinged and torsion-resistant connection node

Info

Publication number: CN219100339U
Application number: CN202223326287.6U
Authority: CN
Inventors: 唐伯俊; 陈柳洁
Original assignee: Guangzhou University
Current assignee: Guangzhou University
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-05-30
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of steel structure nodes and discloses a steel box girder and concrete girder hinging and anti-torsion connection node which comprises an embedded plate, a steel box girder and a concrete structure, wherein the embedded plate is fixedly connected with the steel box girder, the embedded plate is connected with the concrete structure through eight anchor bars, connecting plates are arranged on two sides of the steel box girder, rib plates are fixedly arranged on the upper end and the lower end of each connecting plate, the steel box girder is fixedly connected with the connecting plates through high-strength bolts, and the steel box girder and concrete girder hinging and anti-torsion connection node is formed by adding four rib plates and two connecting plates on two sides of the steel box girder, which is equivalent to increasing the side thickness and the width of the two sides of the steel box girder in a phase-changing manner, so that the anti-torsion bearing capacity of the hinging and connecting box girder can be effectively enhanced.

Description

Steel box girder and concrete girder hinged and torsion-resistant connection node

Technical Field

The utility model relates to the technical field of steel structure nodes, in particular to a steel box girder and concrete girder hinged and torsion-resistant connection node.

Background

With the rapid development of economy, steel structures are widely applied to high-rise, large-span, complex-body and other building structures, such as buildings, stadiums and the like. Meanwhile, steel structures are often used in the reconstruction or reinforcement of concrete structures. Steel structures are widely used in various large-span buildings, and the connection of the beam ends of the large-span steel structure beams and the concrete structure generally adopts the form of beam-column connection and member splicing nodes, and the basic principle of the connection nodes is that the axial force, bending moment, shearing force and the like of the connected plates must be safely transmitted.

The concrete beam column node steel structure comprises two vertical steel sections, two horizontal steel sections and two longitudinal steel sections, wherein the two horizontal steel sections are respectively positioned at the left side and the right side of the vertical steel sections, the two longitudinal steel sections are respectively positioned at the front side and the rear side of the vertical steel sections, the vertical steel sections consist of vertical plates and vertical side wings, the two vertical side wings are respectively connected at the left side and the right side of the vertical plates, the two horizontal steel sections consist of horizontal vertical plates and horizontal side wings, the two horizontal side wings are respectively connected at the upper side and the lower side of the horizontal vertical plates, the two longitudinal steel sections consist of vertical plates and longitudinal side wings, the two longitudinal side wings are respectively connected at the upper side and the lower side of the vertical plates, first fixing members are respectively arranged between the two horizontal steel sections and the vertical steel sections, and the first fixing members are used for connecting the horizontal steel sections and the vertical steel sections; the vertical section steel, the transverse section steel and the longitudinal section steel are connected more stably, and the steel bars can penetrate through the node steel structure, so that the overall stability of the concrete beam column is effectively improved.

The steel box girder and the concrete hinge are connected by adopting bolts, so that the integral torsion resistance of the steel box girder connected by the support single plate is poor, and if the connection is changed, the embedded part is difficult to design by directly adopting welding of four sides and the embedded plate, therefore, the joint for the hinge and torsion resistance connection of the steel box girder and the concrete girder is provided.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a connecting node for hinging and torsion-resisting a steel box girder and a concrete girder, which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a steel case roof beam articulates and antitorque commentaries on classics connected node simultaneously with concrete beam, includes pre-buried board, steel case roof beam and concrete structure, and pre-buried board is in the same place with steel case roof beam fixed connection, and the pre-buried board passes through eight anchor bars and is connected with concrete structure, and the both sides of steel case roof beam all are provided with the connecting plate, and the upper and lower both ends of connecting plate are all fixed mounting has the floor, and steel case roof beam passes through high strength bolt and connecting plate fixed connection together.

Preferably, the high-strength bolt comprises a screw rod, a gasket and a nut, wherein the screw rod penetrates through the steel box girder and the connecting plates, two ends of the screw rod are respectively located on one sides of the connecting plates on two sides, which are away from each other, the gaskets are arranged at two ends of the screw rod, and the nuts are connected with the two ends of the screw rod in a threaded manner.

Preferably, the screw rod is located the inside region of steel case roof beam and has cup jointed the steel bushing, and steel bushing's both ends are laminated with the both sides inner wall of steel case roof beam.

(III) beneficial effects

Compared with the prior art, the utility model provides the hinged and anti-torsion connecting node for the steel box girder and the concrete girder, which has the following beneficial effects:

1. the steel box girder is hinged with the concrete girder and is also anti-torsion connected with the node, and four rib plates and two connecting plates are added to the two sides of the steel box girder, which is equivalent to the phase change, the side thickness and the two side widths of the steel box girder, and the anti-torsion bearing capacity of the hinged connection box girder can be effectively enhanced.

2. The steel box girder is hinged with the concrete girder and is also anti-torsion connected with the joint, and the steel sleeve is added, so that the steel sleeve can prop up the position of the steel box girder connecting screw rod from the inside, and the steel box girder wallboard is effectively prevented from being sunken when the high-strength bolts are screwed up.

Drawings

FIG. 1 is a schematic elevational view of the structure of the present utility model;

fig. 2 is a schematic side view of the structure of the present utility model.

In the figure: 1. embedding a plate; 2. rib plates; 3. a connecting plate; 4. a steel box girder; 5. a steel sleeve; 6. a screw; 7. a gasket; 8. a nut; 9. anchor bars; 10. a concrete structure; 11. and a tank Liang Fengban.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a steel box girder and concrete girder hinged and anti-torsion connection node comprises an embedded plate 1, a steel box girder 4 and a concrete structure 10, wherein the embedded plate 1 is fixedly connected with the steel box girder 4, the embedded plate 1 is connected with the concrete structure 10 through eight anchor bars 9, connecting plates 3 are arranged on two sides of the steel box girder 4, rib plates 2 are fixedly arranged on the upper end and the lower end of each connecting plate 3, and the steel box girder 4 is fixedly connected with the connecting plates 3 through high-strength bolts.

Further, the high-strength bolt comprises a screw rod 6, a gasket 7 and a nut 8, wherein the screw rod 6 penetrates through the steel box girder 4 and the connecting plate 3, two ends of the screw rod 6 are respectively located on one sides, away from each other, of the connecting plates 3 on two sides, the gaskets 7 are arranged at two ends of the screw rod 6, and the nuts 8 are connected with the two ends of the screw rod 6 in a threaded mode.

Further, the screw rod 6 is positioned in the inner area of the steel box girder 4 and sleeved with the steel sleeve 5, and two ends of the steel sleeve 5 are attached to the inner walls of two sides of the steel box girder 4.

When the embedded plate 1 is used, the embedded plate 1 is connected with a concrete structure 10 through eight anchor bars 9, then four rib plates 2, two connecting plates 3 are welded with the embedded plate, the steel box girder 4 is connected with the connecting plates 3 through high-strength bolts, the four rib plates 2 and the two connecting plates 3 twist the box girder to form constraint, and the steel sleeve 5 prevents the sinking of the wall plate of the steel box girder 4 when the high-strength bolts are screwed.

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

Claims

1. The utility model provides a steel case roof beam articulates and antitorque commentaries on classics connected node, a serial communication port, including pre-buried board (1), steel case roof beam (4) and concrete structure (10), pre-buried board (1) are in the same place with steel case roof beam (4) fixed connection, pre-buried board (1) are connected with concrete structure (10) through eight anchor bars (9), both sides of steel case roof beam (4) all are provided with connecting plate (3), the equal fixed mounting in upper and lower both ends of connecting plate (3) has floor (2), steel case roof beam (4) are in the same place with connecting plate (3) fixed connection through high strength bolt.

2. The steel box girder and concrete girder hinge and torsion-resistant connection node according to claim 1, wherein: the high-strength bolt comprises a screw rod (6), a gasket (7) and a nut (8), wherein the screw rod (6) penetrates through the steel box girder (4) and the connecting plate (3), two ends of the screw rod (6) are respectively located on one sides of the connecting plates (3) on two sides, which are away from each other, the gasket (7) is arranged at two ends of the screw rod (6), and the nuts (8) are connected with two ends of the screw rod (6) in a threaded mode.

3. The steel box girder and concrete girder hinge and torsion-resistant connection node according to claim 2, wherein: the screw rod (6) is located in the inner area of the steel box girder (4) and is sleeved with the steel sleeve (5), and two ends of the steel sleeve (5) are attached to the inner walls of two sides of the steel box girder (4).