Connecting joint of lower reverse plate edge of steel bar truss floor support plate and steel beam

Abstract

The utility model relates to a connection node of a lower reverse plate edge and a steel beam of a steel bar truss floor support plate. The connection node comprises the steel bar truss floor support plate, the lower reverse plate edge and a steel beam assembly, wherein the steel beam assembly comprises an I-shaped steel beam and a steel corbel, the steel corbel is welded to one side of a web of the I-shaped steel beam, the top of the steel corbel is located below an upper flange plate of the I-shaped steel beam, and the bottom of the steel corbel is welded to a lower flange plate of the I-shaped steel beam; the steel bar truss floor support plate is fixed on the upper flange plate of the I-shaped steel beam; and the lower reverse plate edge is arranged at the upper part of the steel corbel and is positioned on one side of the steel bar truss floor support plate. The steel corbel comprises a corbel steel flat plate and a corbel steel vertical plate, the bottom of the corbel steel vertical plate is welded to a lower flange plate of the I-shaped steel beam, the side edge of the corbel steel vertical plate is welded to a web of the I-shaped steel beam, the corbel steel flat plate is welded to the top of the corbel steel vertical plate, and the corbel steel flat plate and the flange plate of the I-shaped steel beam are arranged in parallel. The weight of the lower reverse plate edge is transmitted to the I-shaped steel beam through the steel corbels, and the steel corbels have the advantages of being simple in structure, convenient to construct and firm in connection.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a connection node between a lower inverted plate edge of a steel bar truss floor deck and a steel beam. Background Art

[0002] In construction projects, steel truss floor deck is a common floor structure. When the steel truss floor deck is laid on the horizontal steel beam and there is a lower reverse concrete structure on the edge of the board, it is necessary to focus on the connection node between the steel beam and the lower reverse board edge of the steel truss floor deck to ensure that the steel truss floor deck is firmly connected to the steel beam. The existing connection structure is relatively cumbersome, inconvenient to construct, and the connection is not strong enough. Utility Model Content

[0003] The utility model aims to solve the deficiencies of the prior art and provides a connection node between the lower inverted plate edge of a steel bar truss floor deck and a steel beam.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0005] A connection node between a lower inverted plate edge of a steel truss floor deck and a steel beam, comprising a steel truss floor deck, a lower inverted plate edge and a steel beam assembly; wherein the steel beam assembly comprises an I-beam and a steel bracket, the steel bracket is welded to one side of the web of the I-beam, the top of the steel bracket is located below the upper flange plate of the I-beam, and the bottom of the steel bracket is welded to the lower flange plate of the I-beam;

[0006] The steel truss floor deck is fixed on the upper flange plate of the I-beam, and the lower inverted plate edge is placed on the upper part of the steel corbel and on one side of the steel truss floor deck.

[0007] The reinforced truss floor deck includes a reinforced truss, floor concrete, bolts and a floor steel plate. The floor concrete is located above the floor steel plate, the reinforced truss is located inside the floor concrete, and the floor steel plate is fixedly connected to the upper flange plate of the I-beam by bolts.

[0008] The lower inverted plate edge includes lower inverted plate edge concrete and lower inverted plate edge formwork. The lower inverted plate edge concrete and the lower inverted plate edge formwork are located on the top of the steel corbel. The lower inverted plate edge formwork is located on the side of the lower inverted plate edge concrete close to the I-beam.

[0009] The steel beam assembly also includes a steel plate stiffening rib, which is welded to one side of the web of the I-beam, and the top of the steel plate stiffening rib is welded to the upper flange plate of the I-beam and the bottom is welded to the lower flange plate of the I-beam.

[0010] The steel corbel includes a corbel steel flat plate and a corbel steel vertical plate. The bottom of the corbel steel vertical plate is welded to the lower flange plate of the I-beam and the side is welded to the web of the I-beam. The corbel steel flat plate is welded to the top of the corbel steel vertical plate. The corbel steel flat plate is arranged parallel to the flange plate of the I-beam. The steel plate stiffening rib and the corbel steel vertical plate are arranged opposite to each other on both sides of the web of the I-beam.

[0011] The beneficial effects of the utility model are as follows: the utility model utilizes the steel bracket to transfer the weight of the lower inverted plate edge to the I-beam, and has the characteristics of simple structure, convenient construction and firm connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] In the figure: 1-reinforced truss floor deck; 2-lower inverted board edge; 3-steel beam assembly;

[0014] 11-reinforced steel truss; 12-floor concrete; 13-bolts; 14-floor deck steel plate;

[0015] 21- lower inverted plate edge concrete; 22- lower inverted plate edge formwork;

[0016] 31-I-beam; 32-steel plate stiffening rib; 33-steel corbel; 331-corbel steel flat plate; 332-corbel steel vertical plate;

[0017] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0018] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0019] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0022] A connection node between the lower edge of the steel truss floor deck and the steel beam, such as Figure 1 As shown, it includes a steel truss floor decking plate 1, a lower inverted plate edge 2 and a steel beam assembly 3; wherein the steel beam assembly 3 includes an I-beam 31 and a steel corbel 33, the steel corbel 33 is welded to one side of the web of the I-beam 31, the top of the steel corbel 33 is located below the upper flange plate of the I-beam 31, and the bottom of the steel corbel 33 is welded to the lower flange plate of the I-beam 31; the steel truss floor decking plate 1 is fixed on the upper flange plate of the I-beam 31, and the lower inverted plate edge 2 is placed on the upper part of the steel corbel 33 and is located on one side of the steel truss floor decking plate 1.

[0023] The steel truss floor deck 1 includes a steel truss 11, a floor concrete 12, bolts 13 and a floor steel plate 14. The steel truss 11 is welded by steel bars. The floor concrete 12 is located above the floor steel plate 14. The steel truss 11 is located inside the floor concrete 12. The floor steel plate 14 is fixedly connected to the upper flange plate of the I-beam 31 by bolts 13. The steel beam assembly 3 also includes a steel plate stiffening rib 32, which is welded to one side of the web of the I-beam 31. The top of the steel plate stiffening rib 32 is welded to the upper flange plate of the I-beam 31 and the bottom is welded to the lower flange plate of the I-beam 31.

[0024] The lower inverted plate edge 2 includes a lower inverted plate edge concrete 21 and a lower inverted plate edge mold 22, which are located on the top of the steel corbel 33, and the lower inverted plate edge mold 22 is located on the side of the lower inverted plate edge concrete 21 close to the I-beam 31.

[0025] The lower counter plate edge formwork 22 is used as a template for pouring the lower counter plate edge concrete 21. After the construction of the lower counter plate edge concrete 21 is completed, the lower counter plate edge formwork 22 cannot be removed, so it is retained on the side of the lower counter plate edge concrete 21 close to the I-beam 31.

[0026] The steel corbel 33 includes a corbel steel flat plate 331 and a corbel steel vertical plate 332. The bottom of the corbel steel vertical plate 332 is welded to the lower flange plate of the I-beam 31 and the side is welded to the web of the I-beam 31. The corbel steel flat plate 331 is welded to the top of the corbel steel vertical plate 332. The corbel steel flat plate 331 is arranged parallel to the flange plate of the I-beam 31. The steel plate stiffening rib 32 and the corbel steel vertical plate 332 are arranged opposite to each other on both sides of the web of the I-beam 31.

[0027] The corbel steel vertical plate 332 is a right-angled trapezoidal structure that is wide at the top and narrow at the bottom.

[0028] The bottom of the lower inverted plate edge 2 is placed on the upper surface of the corbel steel flat plate 331 , and the weight of the lower inverted plate edge 2 is transferred to the I-beam 31 through the steel corbel 33 .

[0029] The utility model utilizes the steel bracket 33 to transfer the weight of the lower inverted plate edge 2 to the I-beam 31, and has the characteristics of simple structure, convenient construction and firm connection.

[0030] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A connection node between the lower inverted plate edge of a steel truss floor deck and a steel beam, characterized in that: It comprises a steel truss floor deck (1), a lower inverted plate edge (2) and a steel beam assembly (3); wherein the steel beam assembly (3) comprises an I-beam (31) and a steel bracket (33); the steel bracket (33) is welded to one side of the web of the I-beam (31); the top of the steel bracket (33) is located below the upper flange plate of the I-beam (31); and the bottom of the steel bracket (33) is welded to the lower flange plate of the I-beam (31); The steel bar truss floor deck (1) is fixed on the upper flange plate of the I-beam (31), and the lower inverted plate edge (2) is placed on the upper part of the steel bracket (33) and located on one side of the steel bar truss floor deck (1).

2. A connection node between the lower inverted plate edge of a steel truss floor deck and a steel beam according to claim 1, characterized in that: The steel bar truss floor deck (1) comprises a steel bar truss (11), floor slab concrete (12), bolts (13) and a floor slab steel plate (14); the floor slab concrete (12) is located above the floor slab steel plate (14); the steel bar truss (11) is located inside the floor slab concrete (12); and the floor slab steel plate (14) is fixedly connected to an upper flange plate of an I-beam (31) via the bolts (13).

3. A connection node between the lower inverted plate edge of a steel truss floor deck and a steel beam according to claim 2, characterized in that: The lower inverted plate edge (2) comprises lower inverted plate edge concrete (21) and lower inverted plate edge mold (22), wherein the lower inverted plate edge concrete (21) and the lower inverted plate edge mold (22) are located on the top of the steel corbel (33), and the lower inverted plate edge mold (22) is located on the side of the lower inverted plate edge concrete (21) close to the I-beam (31).

4. A connection node between the lower inverted plate edge of a steel truss floor deck and a steel beam according to claim 3, characterized in that: The steel beam assembly (3) also includes a steel plate stiffening rib (32), which is welded to one side of the web of the I-beam (31), the top of the steel plate stiffening rib (32) is welded to the upper flange plate of the I-beam (31) and the bottom is welded to the lower flange plate of the I-beam (31).

5. A connection node between the lower inverted plate edge of a steel truss floor deck and a steel beam according to claim 4, characterized in that: The steel corbel (33) comprises a corbel steel flat plate (331) and a corbel steel vertical plate (332), the bottom of the corbel steel vertical plate (332) is welded to the lower flange plate of the I-beam (31) and the side is welded to the web of the I-beam (31), the corbel steel flat plate (331) is welded to the top of the corbel steel vertical plate (332), the corbel steel flat plate (331) is arranged parallel to the flange plate of the I-beam (31), and the steel plate stiffening rib (32) and the corbel steel vertical plate (332) are arranged opposite to each other on both sides of the web of the I-beam (31).

6. A connection node between the lower inverted plate edge of a steel truss floor deck and a steel beam according to claim 5, characterized in that: The corbel steel vertical plate (332) is a right-angled trapezoidal structure that is wide at the top and narrow at the bottom.

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