CN112267563A - A refined construction steel beam-column connection node - Google Patents

Abstract

A refined construction steel beam-column connection node includes a rectangular steel column with column end caps, an H-shaped steel column is arranged on the upper part of the rectangular steel column with column end caps, and the H-shaped steel column is surrounded by end plates with end plates. The H-shaped steel beams are connected by high-strength bolts. The connecting nodes not only meet the mechanical properties, but also meet people's needs for vertical and horizontal space at the current stage, making it easier to achieve high-efficiency construction, and the unique structural form. , The structure is easy to install or replace. When a component cannot be used normally during the service period, it can be quickly replaced, which not only reduces maintenance costs, but also achieves rapid construction, while reducing the workload of construction personnel, which is more conducive to green buildings. The construction efficiency is improved, and refined construction can be achieved. Then the structural components are all mechanically designed and factory-produced. The components are relatively precise and accurate, and there is almost no processing error. The work can be completed by hoisting and tightening the bolts on site, reducing the work of workers. It can improve the project quality and work efficiency, and can achieve refined construction.

Description

A refined construction steel beam-column connection node

technical field

The invention relates to the technical field of building steel structure engineering, in particular to a fine construction steel beam-column connection node.

Background technique

With the application of steel structures in the construction industry, the working environment of the current construction site has been significantly improved, but some complex structures and bulky body also increase the difficulty of construction, and simple structural forms cannot form a large building space.

SUMMARY OF THE INVENTION

In order to achieve the above object, the present invention adopts the following technical solutions:

A refined construction steel beam-column connection node includes a rectangular steel column with a column end cap, an H-shaped steel column is arranged on the upper part of the rectangular steel column with a column end cap, and the H-shaped steel column is surrounded with end plates. The H-shaped steel beams are connected by high-strength bolts between the structural members.

The rectangular steel column with column end caps includes a column cap with bolt holes and a rectangular steel column, and the bolt holes are connected with the bolt holes corresponding to the end plates of the H-shaped steel column with high-strength bolts.

The H-shaped steel column includes a flange plate with bolt holes, a web plate with bolt hole stiffeners, and the web plate with bolt hole stiffeners is connected with an H-shaped steel beam with bolt holes. The bolt holes are connected with the bolt holes of the corresponding end plates of the H-beam with high-strength bolts.

The H-shaped steel beam with end plates includes an H-shaped steel beam and a steel end plate, and the H-shaped steel beam and the steel end plate are connected by welding seams and completed in a component processing plant.

The ends of the H-shaped steel beams connected by the web surface are provided with bolt holes, which are connected by external steel backing plates on both sides.

The steel backing plate includes a web surface connecting the beam-column and an extra backing plate, and the corresponding positions of the extra backing plate on both sides of the web surface are provided with screw holes for the connection between the web surface of the H-shaped steel column and the H steel beam.

The high-strength bolts are connected by high-strength bolts throughout the connection nodes at the construction site.

The beneficial effects of the present invention are:

1. The device of the present invention adopts high-strength bolts to connect H-shaped steel columns and H-shaped steel beams, and the structure is simple, which meets the needs of the project, significantly reduces the workload and working environment of workers on the construction site, and improves the quality of construction projects. High efficiency and no harm.

2. The structural components of the present invention are all mechanically designed and produced in factories. The components are relatively precise and accurate, and there is almost no machining error. The work can be completed only by hoisting and tightening the bolts on site, reducing the workload of workers and improving engineering quality and work. efficiency, shorten the construction period and save costs.

3. The structural connection part of the present invention is directly equivalent to the connection between the steel column and the steel truss beam, which not only meets the mechanical properties, but also meets people's current requirements for vertical span and space, and also meets the needs of modern large-span buildings. .

4. The structural nodes of the present invention are all connected by high-strength bolts, which meet the structural and mechanical properties. The high-strength bolts can be disassembled or replaced. If the building needs to be dismantled to meet the service period, the structure can be dismantled in an orderly manner, and all components can be recycled or used for secondary use. , or with the increase of time, some components can not meet the normal use requirements, the components can be quickly replaced, and the maintenance cost during the service period can be reduced.

Description of drawings

FIG. 1 is an exploded schematic diagram of a steel beam-column connection node provided by the present invention.

FIG. 2 is a schematic diagram of the general assembly of the steel beam-column connection node provided by the present invention.

FIG. 3 is a top view of a steel beam-column connection node provided by the present invention.

FIG. 4 is a left side view of a steel beam-column connection node provided by the present invention.

Fig. 5 is a front view of the steel beam-column connection node provided by the present invention.

in,

1-H section steel column, 101-H section steel column lower end plate, 102-H section steel column flange plate, 103-H section steel column web with bolt hole stiffener, 2-H section steel roof beam, 3- with H-beam for end plate, 4-rectangular steel column, 401-column cap with bolt holes, 401-rectangular steel column, 5-end plate for H-beam end, 6-steel backing plate for steel roof beam end, 7 - All high strength bolts, 8- All bolt holes.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings.

In order to solve the problems existing in the existing structural nodes, as shown in Figures 1 to 5, a refined construction steel beam-column connection node is characterized in that it includes a rectangular steel pipe column 4 with a column end cap. The upper part of the rectangular steel column 4 of the cap is provided with an H-shaped steel column 1, and the H-shaped steel column 1 is surrounded by an H-shaped steel beam (2 or 3) with an end plate, and the ends on both sides of the H-shaped steel beam 2 are made of steel. The backing plate 6 is connected with high-strength bolts 7 , and the steel structural members are connected by high-strength bolts 7 .

The rectangular steel column 4 with column end cap 401 includes a column cap 401 with bolt holes and a rectangular steel column 402 , and the bolt holes 8 are connected with the bolt holes corresponding to the H-shaped steel column end plate 101 with high-strength bolts 7 .

The H-shaped steel column 1 includes a flange plate 102 with bolt holes, a stiffener 103 with bolt holes on the web, and the stiffener 103 with bolt holes on the web is connected with the H-shaped steel beam with bolt holes 8. The bolt holes 8 on the flange plate 102 are connected with the bolt holes 8 of the corresponding end plates of the H-beam (2 or 3) with high-strength bolts 7.

The H-shaped steel beam (2 or 3) with end plates includes an H-shaped steel roof beam 2 and a steel end plate 3. The H-shaped steel beam 3 and the steel end plate 5 are connected by welding seams and are completed in the component processing plant. .

The ends of the H-shaped steel beams 2 connected by the web surface are provided with bolt holes 8, which are connected by external steel backing plates 6 on both sides.

The steel backing plate includes a web surface connecting the beam-column and an extra backing plate 6, and the corresponding positions of the extra backing plate 6 on both sides of the web surface are provided with screw holes 8 for the connection of the H-shaped steel column web surface 103 and the H steel beam 2.

The high-strength bolts 7 are connected by high-strength bolts 7 on the entire connection node at the construction site.

The construction process of the present invention is the following steps,

Step 1. According to the construction conditions on site and people's needs, the precise design of the components is carried out by the mechanical design company, and then processed by the factory and transported back to the construction site;

Step 2, at the construction site, a mechanical vehicle is used to hoist the rectangular steel column 4, tighten a part of the pre-tightening force of the high-strength bolts 7 at the foot of the rectangular column, and use four ropes to fix and erect;

Step 3, use high-strength bolts 7 to connect the H-shaped steel column 4 and the H-shaped steel beam 1 at the construction site, and the high-strength bolts 7 are tightened to the maximum state;

Step 4, hoist the truss beam (2 or 3) and align and assemble with the rectangular steel columns 4 on both sides. After assembling and aligning, twist the pre-tightening force of the high-strength bolts 7 at the connection to the maximum state to complete a fine Installation of steel beam-column connection nodes in chemical construction;

The above is only an engineering example of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. Inside.

Claims (5)

1. A refined construction steel beam-column connection node, characterized in that it comprises a rectangular steel pipe column (4) with a column end cap, and the upper part of the rectangular steel column (4) with a column end cap (401) is provided with H The H-shaped steel column (1), the flange plate (102) of the H-shaped steel column (4) is connected with the H-shaped steel beam (3) with the end plate, and the web plate of the H-shaped steel column has stiffeners (103) with bolt holes. ) are connected with the H-shaped steel beam (2) by steel backing plates (6) and high-strength bolts (7) on both sides, and the steel structural members are connected by high-strength bolts (7). 2. A fine construction steel beam-column connection node according to claim 1, characterized in that: the H-shaped steel column (1) comprises a lower end plate (101) with bolt holes, a flange with bolt holes The plate (102) and the web have stiffeners (103) with bolt holes, the lower end plate (101) with bolt holes is connected to the rectangular steel column with column caps (401) with bolt holes, and the flange plate ( The bolt holes (8) on 102) are connected with the bolt holes (8) of the corresponding end plates of the H-beam (2 or 3), and the web is provided with bolt hole stiffeners (103) and bolt holes (8) The H-shaped steel beams (2) are connected, and high-strength bolts (7) are used for the connections. 3. A fine construction steel beam-column connection node according to claim 1, characterized in that: the H-shaped steel beam (2 or 3) comprises an H-shaped steel beam (2) with bolt holes and a belt The H-shaped steel beam (3) with end plates, the H-shaped steel beam (3) with end plates and the steel end plates (5) are connected by welding seams, which are all completed in the component processing plant. 4. A fine construction steel beam-column connection node according to claim 1, characterized in that: the steel backing plate (6) comprises a web surface connecting the beam-column plus a backing plate (6), a web belt There are screw holes (8) at the corresponding positions of the backing plates (6) on both sides of the bolt hole stiffening rib (103) in order to connect with the H steel beam (2). 5. A fine construction steel beam-column connection node according to claim 1, characterized in that: all the components are precisely designed by a mechanical design company according to the construction conditions on site and people's needs, and then are designed by a mechanical design company. The factory is processed and transported back to the construction site, and at the construction site, the H-shaped steel column (4) and the H-shaped steel beam (1) are connected with high-strength bolts (7), and then the truss beam (2 or 3) is hoisted by a mechanical vehicle. The rectangular steel columns (4) on both sides are aligned to complete the assembly.

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