Fabricated square steel tube concrete column and H-shaped steel beam connecting node

By connecting the prefabricated square steel tube concrete columns with H-shaped steel beams and using U-shaped and T-shaped connectors and screws, the problems of complex node structure and deterioration of steel rigidity caused by welding in the existing technology are solved, and efficient concrete pouring and improved seismic performance are achieved.

CN223468880UActive Publication Date: 2025-10-24CHINA RAILWAY 16TH BUREAU GRP ROAD & BRIDGE ENG CO LTD +2
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422882166.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-10-24
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

The existing steel tube concrete frame node structure is complex and inconvenient to construct. Welding causes residual stress and deterioration of steel rigidity in the heat-affected zone, affecting seismic resistance and energy dissipation performance.

Method used

Prefabricated square steel tube concrete columns and H-shaped steel beams are used to connect the nodes, which are connected by U-shaped connectors and T-shaped connectors combined with screws to avoid a large amount of welding. The internal force is transmitted by screws, and the middle stiffening ribs and splicing plates are combined to improve the connection strength and construction efficiency.

Benefits of technology

It simplifies the node structure, ensures the quality of concrete pouring, reduces stress concentration in steel, improves the seismic performance and repairability of the node, and reduces the rigidity deterioration problem caused by welding.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223468880U_ABST
    Figure CN223468880U_ABST
Patent Text Reader

Abstract

The utility model discloses an assembly type square steel tube concrete column and H-shaped steel beam connecting joint. A first H-shaped steel beam 11 and a second H-shaped steel beam are arranged on the other two side faces of a square steel tube concrete column respectively. A first T-shaped connecting piece and a second T-shaped connecting piece are arranged between the first H-shaped steel beam and the square steel tube concrete column, and a third T-shaped connecting piece and a fourth T-shaped connecting piece are arranged between the second H-shaped steel beam and the square steel tube concrete column; the first T-shaped connecting piece, the first U-shaped connecting piece, the square steel tube concrete column and the third T-shaped connecting piece are connected through a first screw rod; and the second T-shaped connecting piece, the second U-shaped connecting piece, the square steel tube concrete column and the fourth T-shaped connecting piece are connected through a second screw rod. The connecting joint can avoid the problems of residual stress caused by mass welding and deterioration of steel rigidity in a heat affected zone.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of assembly technology and relates to an assembly type square steel pipe concrete column and H-shaped steel beam connecting joint. BACKGROUND

[0002] At present, researchers at home and abroad have proposed many different types of steel pipe concrete frame beam-column rigid or hinged joints, such as ring beam type, through reinforcement type, external reinforcement ring type, internal diaphragm type, and through diaphragm type. However, most of the rigid or hinged steel pipe concrete frame nodes have complex structure and inconvenient construction, and a large amount of welding is required at the node connection, which can cause residual stress and thermal influence zone steel rigidity degradation, which is not conducive to the seismic and energy dissipation of the node. INVENTION CONTENTS

[0003] The utility model discloses a kind of assembly type square steel pipe concrete column and H-shaped steel beam connecting joints, which can avoid the problem of residual stress and thermal influence zone steel rigidity degradation caused by a large amount of welding.

[0004] To achieve the above object, the utility model discloses a kind of assembly type square steel pipe concrete column and H-shaped steel beam connecting joint, including first U-shaped connecting piece, square steel pipe concrete column, second U-shaped connecting piece, first H-shaped steel beam and second H-shaped steel beam;

[0005] The first U-shaped connecting piece is buckled on one side of the square steel pipe concrete column, and the second U-shaped connecting piece is buckled on the other side of the square steel pipe concrete column. The first H-shaped steel beam and the second H-shaped steel beam are respectively arranged on the other two sides of the square steel pipe concrete column.

[0006] The first H-shaped steel beam and the square steel pipe concrete column are provided with a first T-shaped connecting piece and a second T-shaped connecting piece. The second H-shaped steel beam and the square steel pipe concrete column are provided with a third T-shaped connecting piece and a fourth T-shaped connecting piece. The first T-shaped connecting piece, the first U-shaped connecting piece, the square steel pipe concrete column and the third T-shaped connecting piece are connected by a first screw rod. The second T-shaped connecting piece, the second U-shaped connecting piece, the square steel pipe concrete column and the fourth T-shaped connecting piece are connected by a second screw rod.

[0007] Further, the upper flange and web of the first H-shaped steel beam 11 are connected to the web of the first T-shaped connecting piece through a second splice plate. The lower flange and web of the first H-shaped steel beam are connected to the web of the second T-shaped connecting piece through a third splice plate. The first H-shaped steel beam is located between the web of the first T-shaped connecting piece and the web of the second T-shaped connecting piece.

[0008] Further, the upper flange and the web of the second H-shaped steel beam are connected with the web of the third T-shaped connecting piece through a fourth splicing plate, and the lower flange and the web of the second H-shaped steel beam are connected with the web of the fourth T-shaped connecting piece through a fifth splicing plate, and the second H-shaped steel beam is located between the web of the third T-shaped connecting piece and the web of the fourth T-shaped connecting piece.

[0009] Further, the first U-shaped connecting piece is provided with a first end plate, and the end of the third H-shaped steel beam is welded on the first end plate; and the second U-shaped connecting piece is provided with a second end plate, and the end of the fourth H-shaped steel beam is welded on the second end plate.

[0010] Further, a first middle stiffening rib is arranged between the middle part of the first U-shaped connecting piece and the square steel pipe concrete column.

[0011] Further, a second middle stiffening rib is arranged between the middle part of the second U-shaped connecting piece and the square steel pipe concrete column.

[0012] Further, a first reinforcing rib plate is arranged between the first end plate and the flange of the third H-shaped steel beam and between the second end plate and the flange of the fourth H-shaped steel beam.

[0013] Further, a first splicing plate is arranged between the first end plate and the flange and the web of the third H-shaped steel beam and between the second end plate and the flange and the web of the fourth H-shaped steel beam.

[0014] Further, a notch is arranged on the first U-shaped connecting piece and the second U-shaped connecting piece.

[0015] Further, a second reinforcing rib plate is arranged on the first T-shaped connecting piece and the second T-shaped connecting piece.

[0016] The assembly type square steel pipe concrete column and H-shaped steel beam connecting joint has the following beneficial effects:

[0017] In the specific operation of the assembly type square steel pipe concrete column and H-shaped steel beam connecting joint, the first T-shaped connecting piece, the first U-shaped connecting piece, the square steel pipe concrete column and the third T-shaped connecting piece are connected through the first screw rod; the second T-shaped connecting piece, the second U-shaped connecting piece, the square steel pipe concrete column and the fourth T-shaped connecting piece are connected through the second screw rod, and only the screw rod is arranged in the joint domain, which is beneficial to the pouring of the concrete in the square steel pipe column, easy to ensure the pouring quality of the concrete, meanwhile, the screw rod can effectively transmit the internal force of the steel beam to the core concrete, reduce the stress concentration of the steel pipe, and avoid the problems of residual stress and steel rigidity deterioration in the heat affected zone caused by a large amount of welding. BRIEF DESCRIPTION OF DRAWINGS

[0018] The description and drawings of the utility model constitute a part of the utility model, and are used to provide further understanding of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation to the utility model. In the drawings:

[0019] Figure 1 The structural diagram of the utility model,

[0020] Figure 2 The exploded view of the utility model.

[0021] Wherein, 11 is first H type steel beam, 12 is second H type steel beam, 13 is third H type steel beam, 14 is fourth H type steel beam, 21 is first end plate, 22 is second end plate, 31 is first U-shaped connecting piece, 32 is second U-shaped connecting piece, 41 is first middle stiffening rib, 42 is second middle stiffening rib, 51 is first T-shaped connecting piece, 52 is second T-shaped connecting piece, 53 is third T-shaped connecting piece, 54 is fourth T-shaped connecting piece, 61 is first reinforcing rib plate, 62 is second reinforcing rib plate, 71 is first splicing plate, 72 is second splicing plate, 73 is third splicing plate, 74 is fifth splicing plate, 8 is square steel pipe concrete column. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] In the description of the utility model, it should be understood that the terms "include" and "contain" indicate the existence of the described features, whole, step, operation, element and / or component, but do not exclude the existence or addition of one or more other features, whole, step, operation, element, component and / or set thereof.

[0024] It should also be understood that the terms used in the specification of the utility model are only for the purpose of describing specific embodiments and do not intend to limit the utility model. As used in the specification and the appended claims of the utility model, unless otherwise clearly indicated by the context, the singular form "a", "an" and "the" is intended to include the plural form.

[0025] It should be further understood that the term "and / or" used in the description and claims of the application herein is used to mean any one and / or any combination of the associated listed items can be present, and includes meanings of these combinations and all possible combinations, for example, A and / or B can mean only A is present, or only B is present, or both A and B are present.

[0026] It should be understood that, although the terms first, second, third, etc. can be used in this embodiment of the application to describe a certain feature, etc., these features should not be limited to these terms. These terms are only used to distinguish one feature from another. For example, a first feature can also be referred to as a second feature, and similarly, a second feature can also be referred to as a first feature without departing from the scope of the embodiments of the application.

[0027] Depending on the context, the word "if" as used herein can be interpreted to mean "when" or "while" or "in response to determining" or "in response to detecting." Similarly, the phrase "if it is determined" or "if a stated condition or event occurs" can be interpreted to mean "when it is determined" or "in response to determining" or "when a stated condition or event occurs" or "in response to detecting a stated condition or event."

[0028] In order to make the purposes, technical schemes and advantages of the embodiments of the application clearer, the technical schemes in the embodiments of the application will be described clearly and completely below in conjunction with the drawings in the embodiments of the application. Obviously, the described embodiments are only a part of the embodiments of the application, rather than all the embodiments of the application. The components of the embodiments of the application described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the application.

[0029] Various structural schematic diagrams according to the embodiments disclosed in the application are shown in the drawings. These diagrams are not drawn to scale, in which some details are exaggerated for the purpose of clear expression, and some details can be omitted. The shapes of various regions, layers and their relative size and positional relationship shown in the drawings are only exemplary, and in actuality, there can be deviations due to manufacturing tolerances or technical limitations, and regions / layers with different shapes, sizes and relative positions can be additionally designed by those skilled in the art according to actual needs.

[0030] Reference Figure 1 and Figure 2 The utility model discloses an assembled square steel tube concrete column and H-shaped steel beam connecting joint, including first H-shaped steel beam 11, second H-shaped steel beam 12, third H-shaped steel beam 13, fourth H-shaped steel beam 14, first end plate 21, second end plate 22, first U-shaped connecting piece 31, second U-shaped connecting piece 32, first middle stiffening rib 41, second middle stiffening rib 42, first T-shaped connecting piece 51, second T-shaped connecting piece 52, third T-shaped connecting piece 53, fourth T-shaped connecting piece 54, first reinforcing rib plate 61, second reinforcing rib plate 62, first splice plate 71, second splice plate 72, third splice plate 73, fifth splice plate 74 and square steel tube concrete column 8.

[0031] First U-shaped connecting piece 31 and second U-shaped connecting piece 32 are opposite distribution, and first U-shaped connecting piece 31 is buckled on one side of square steel tube concrete column 8, and second U-shaped connecting piece 32 is buckled on the other side of square steel tube concrete column 8, and first H-shaped steel beam 11 and second H-shaped steel beam 12 are arranged on the other two sides of square steel tube concrete column 8 respectively.

[0032] First end plate 21 is arranged on first U-shaped connecting piece 31, and the end of third H-shaped steel beam 13 is welded on first end plate 21, second end plate 22 is arranged on second U-shaped connecting piece 32, and the end of fourth H-shaped steel beam 14 is welded on second end plate 22, and first middle stiffening rib 41 is arranged between the middle of first U-shaped connecting piece 31 and square steel tube concrete column 8, and second middle stiffening rib 42 is arranged between the middle of second U-shaped connecting piece 32 and square steel tube concrete column 8.

[0033] First reinforcing rib plate 61 is arranged between first end plate 21 and the flange of third H-shaped steel beam 13 and between second end plate 22 and the flange of fourth H-shaped steel beam 14.

[0034] First splice plate 71 is arranged between first end plate 21 and the flange and web of third H-shaped steel beam 13 and between second end plate 22 and the flange and web of fourth H-shaped steel beam 14.

[0035] First T-shaped connecting piece 51 and second T-shaped connecting piece 52 are arranged between first H-shaped steel beam 11 and square steel tube concrete column 8, and third T-shaped connecting piece 53 and fourth T-shaped connecting piece 54 are arranged between second H-shaped steel beam 12 and square steel tube concrete column 8.

[0036] The upper flange and the web of the first H-shaped steel beam 11 are connected with the web of the first T-shaped connecting piece 51 through the second splice plate 72, the lower flange and the web of the first H-shaped steel beam 11 are connected with the web of the second T-shaped connecting piece 52 through the third splice plate 73, and the first H-shaped steel beam 11 is located between the web of the first T-shaped connecting piece 51 and the web of the second T-shaped connecting piece 52.

[0037] The upper flange and the web of the second H-shaped steel beam 12 are connected with the web of the third T-shaped connecting piece 53 through the fourth splice plate, the lower flange and the web of the second H-shaped steel beam 12 are connected with the web of the fourth T-shaped connecting piece 54 through the fifth splice plate 74, and the second H-shaped steel beam 12 is located between the web of the third T-shaped connecting piece 53 and the web of the fourth T-shaped connecting piece 54.

[0038] The first screw rod sequentially passes through the web of the first T-shaped connecting piece 51, one side of the first U-shaped connecting piece 31, the square steel pipe concrete column 8, the other side of the first U-shaped connecting piece 31 and the web of the third T-shaped connecting piece 53, and connects the first T-shaped connecting piece 51, the first U-shaped connecting piece 31, the square steel pipe concrete column 8 and the third T-shaped connecting piece 53.

[0039] The second screw rod sequentially passes through the web of the second T-shaped connecting piece 52, one side of the second U-shaped connecting piece 32, the square steel pipe concrete column 8, the other side of the second U-shaped connecting piece 32 and the web of the fourth T-shaped connecting piece 54, and connects the second T-shaped connecting piece 52, the second U-shaped connecting piece 32, the square steel pipe concrete column 8 and the fourth T-shaped connecting piece 54.

[0040] The first U-shaped connecting piece 31 and the second U-shaped connecting piece 32 are both provided with a notch.

[0041] The first T-shaped connecting piece 51 and the second T-shaped connecting piece 52 are provided with a second reinforcing rib plate 62.

[0042] In the utility model, the square steel pipe concrete column 8 is connected with the U-shaped connecting piece through the screw rod, and the middle stiffening rib of the U-shaped connecting piece is welded on the square steel pipe concrete column 8, so that the degree of assembly is high. The node domain only has the screw rod, which is beneficial to the pouring of the concrete in the square steel pipe column and easy to ensure the pouring quality of the concrete. Meanwhile, the U-shaped connecting piece can well control the damage on the end plate, the bolt or the beam, when the node is damaged, the damaged part is disassembled and replaced, so that the node is repairable. In the aspect of the component, the T-shaped steel connection is a kind of semi-steel connection, which is simple in structure, large in bearing capacity, large in rigidity and simple in construction; the screw rod can effectively transmit the internal force of the steel beam to the core concrete, so that the stress concentration of the steel pipe is reduced; meanwhile, the middle stiffening rib of the U-shaped connecting piece can reduce the weld stress, reinforce the node and make the plastic hinge move outward; the opening in the flange of the U-shaped connecting piece is helpful to construction and improves the construction efficiency.

[0043] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope and spirit of the application being indicated by the following claims.

[0044] It is to be understood that the application is not limited to the precise construction described in the specification and shown in the drawings, and that various modifications and changes can be effected therein by those skilled in the art without departing from the scope of the application. The scope of the application is to be limited only by the appended claims.

[0045] The above description is only the preferred embodiment of the present application, not any limitation to the present application, any simple modification, change and equivalent structure change according to the technical essence of the present application to the above embodiment are still within the protection scope of the technical scheme of the present application.

Claims

1. A fabricated square concrete-filled steel tubular column and H-shaped steel beam connection joint, characterized in that, The first U-shaped connecting piece (31), the square steel pipe concrete column (8), the second U-shaped connecting piece (32), the first H-shaped steel beam (11) and the second H-shaped steel beam (12) are arranged on the square steel pipe concrete column (8). The first U-shaped connecting piece (31) is buckled on one side of the square steel pipe concrete column (8), the second U-shaped connecting piece (32) is buckled on the other side of the square steel pipe concrete column (8), and the first H-shaped steel beam (11) and the second H-shaped steel beam (12) are arranged on the other two sides of the square steel pipe concrete column (8). The first T-shaped connecting piece (51) and the second T-shaped connecting piece (52) are arranged between the first H-shaped steel beam (11) and the square steel pipe concrete column (8), and the third T-shaped connecting piece (53) and the fourth T-shaped connecting piece (54) are arranged between the second H-shaped steel beam (12) and the square steel pipe concrete column (8); the first T-shaped connecting piece (51), the first U-shaped connecting piece (31), the square steel pipe concrete column (8) and the third T-shaped connecting piece (53) are connected by the first screw rod; the second T-shaped connecting piece (52), the second U-shaped connecting piece (32), the square steel pipe concrete column (8) and the fourth T-shaped connecting piece (54) are connected by the second screw rod.

2. The fabricated square CFST column to H-shaped steel beam connection joint according to claim 1, characterized in that, The upper flange and the web of the first H-shaped steel beam (11) are connected with the web of the first T-shaped connecting piece (51) through the second splicing plate (72), the lower flange and the web of the first H-shaped steel beam (11) are connected with the web of the second T-shaped connecting piece (52) through the third splicing plate (73), and the first H-shaped steel beam (11) is located between the web of the first T-shaped connecting piece (51) and the web of the second T-shaped connecting piece (52).

3. The fabricated square CFST column to H-shaped steel beam connection joint according to claim 1, characterized in that, The upper flange and the web of the second H-shaped steel beam (12) are connected with the web of the third T-shaped connecting piece (53) through the fourth splicing plate, the lower flange and the web of the second H-shaped steel beam (12) are connected with the web of the fourth T-shaped connecting piece (54) through the fifth splicing plate (74), and the second H-shaped steel beam (12) is located between the web of the third T-shaped connecting piece (53) and the web of the fourth T-shaped connecting piece (54).

4. The fabricated square CFST column to H-shaped steel beam connection joint according to claim 1, characterized in that, The first U-shaped connecting piece (31) is provided with a first end plate (21), the end of the third H-shaped steel beam (13) is welded on the first end plate (21), the second U-shaped connecting piece (32) is provided with a second end plate (22), and the end of the fourth H-shaped steel beam (14) is welded on the second end plate (22).

5. The fabricated square CFST column to H-shaped steel beam connection node according to claim 1, characterized in that, The first middle stiffening rib (41) is arranged between the middle part of the first U-shaped connecting piece (31) and the square steel pipe concrete column (8).

6. The fabricated square CFST column to H-shaped steel beam connection node according to claim 1, characterized in that, The second middle stiffening rib (42) is arranged between the middle part of the second U-shaped connecting piece (32) and the square steel pipe concrete column (8).

7. The fabricated square CFST column to H-shaped steel beam connection node according to claim 4, characterized in that, The first reinforcing rib plate (61) is arranged between the first end plate (21) and the flange of the third H-shaped steel beam (13) and between the second end plate (22) and the flange of the fourth H-shaped steel beam (14).

8. The fabricated square CFST column to H-shaped steel beam connection node according to claim 4, characterized in that, The first splicing plate (71) is arranged between the first end plate (21) and the flange and the web of the third H-shaped steel beam (13) and between the second end plate (22) and the flange and the web of the fourth H-shaped steel beam (14).

9. The fabricated square CFST column to H-shaped steel beam connection node according to claim 4, characterized in that, The first U-shaped connecting piece (31) and the second U-shaped connecting piece (32) are provided with notches.

10. The fabricated square CFST column to H-shaped steel beam connection node according to claim 2, characterized in that, The first T-shaped connecting piece (51) and the second T-shaped connecting piece (52) are provided with second reinforcing rib plates (62).