CN116411635A - A prefabricated beam-column joint for weak shaft connection of I-beams - Google Patents

Abstract

An assembled beam column node for weak axis connection of I-steel comprises an I-steel column, an I-steel beam and a connecting piece; the I-shaped steel beam is fixedly connected to the I-shaped steel column through a connecting piece; the connecting piece comprises channel steel and angle steel; the channel steel is fixedly arranged on a web plate of the I-shaped steel column, and the I-shaped steel beam is fixed on the channel steel through angle steel. The invention has simple and quick processing and installation. The components required by node construction can be processed in a factory, the processing process is simple, and each component has a regular structure and is convenient to transport. The connection modes are all bolted connection, welding work is not needed on a construction site, labor cost and technical threshold are obviously reduced, and engineering construction period is shortened.

Description

A prefabricated beam-column joint for weak shaft connection of I-beams

technical field

The invention belongs to the field of building structure design, and relates to an assembled beam-column joint used for weak shaft connection of I-beams.

Background technique

On-site assembly, reducing construction waste and pollution, shortening the construction period and improving project quality. Gradually get rid of the traditional extensive construction methods and achieve building standardization and industrialization.

However, at present, there are few ways to connect the weak axis of I-shaped steel columns, and the welding method is still the main method. This connection method has poor ductility and obvious welding residual stress. It is prone to brittle failure under the action of earthquakes. During the construction process, there are many problems such as large air pollution, long construction time, and difficulty in guaranteeing welding quality.

Contents of the invention

The purpose of the present invention is to provide a prefabricated beam-column joint used for the weak shaft connection of I-beams to solve the problem of poor ductility and obvious welding residual stress in the existing joint connection mode, which is prone to brittle failure under the action of earthquakes, and at the same time, it is harmful to workers. The technical level is relatively high, and problems such as high air pollution, long construction time, and difficulty in guaranteeing welding quality often occur during the construction process.

To achieve the above object, the present invention adopts the following technical solutions:

An assembled beam-column joint for I-beam weak shaft connection, comprising I-beam columns, I-beams and connectors; the I-beams are fixedly connected to the I-beams through the connectors;

The connecting parts include channel steel and angle steel; the channel steel is fixedly arranged on the web plate of the I-beam column, and the I-beam beam is fixed on the channel steel through the angle steel.

Further, the channel steel includes a first channel steel, a second channel steel and a third channel steel, the first channel steel and the second channel steel are attached to the web of the I-beam column, and the first channel steel and the second channel steel The flange of the second channel steel is fixed on the flange of the I-shaped steel column through bolts; the third channel steel is arranged between the first channel steel and the second channel steel.

Further, the webs of the first channel steel and the second channel steel are respectively connected to the upper and lower flanges of the third channel steel by bolts.

Further, the opening of the first channel steel faces the upper end of the I-shaped steel column, the opening of the second channel steel faces the lower end of the I-shaped steel column, and the flanges of the first channel steel and the second channel steel and the wing of the I-shaped steel column flush.

Further, the opening of the third channel steel faces the web of the I-shaped steel column, and the flange of the third channel steel is flush with the flange of the I-shaped steel column.

Further, the angle steel includes the first angle steel with stiffeners and the second angle steel with stiffeners, the third channel steel web and the upper and lower flanges of the I-beam pass through the first angle steel with stiffeners and the second belt The angle steel of the stiffener is connected with bolts.

Further, the angle steel also includes a first angle steel and a second angle steel, and the web of the third channel steel and the web of the I-beam beam are fixedly connected by bolts through the first angle steel and the second angle steel.

Further, the bolts are high-strength bolts.

Compared with the prior art, the present invention has the following technical effects:

The processing and installation of the present invention is simple and fast. The components required for node construction can all be processed in the factory, the processing process is simple, the structure of each component is regular, and it is convenient for transportation. The connection methods are all bolted, and there is no need for welding work on the construction site, which significantly reduces labor costs and technical thresholds, and shortens the construction period of the project.

The invention has excellent mechanical properties. The I-steel column and the I-steel beam are connected by channel steel, angle steel and high-strength bolts. The connection form is simple, the force is directly and clearly defined, and the construction quality is easy to guarantee. The first channel steel and the second When the channel steel is connected to the third channel steel, it can be used as the web stiffener of the I-steel column in the joint area to appropriately enhance the mechanical performance of the I-steel column.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a partial diagram of the present invention;

Fig. 3 is the top view structure schematic diagram of the present invention;

Fig. 4 is the side structure schematic diagram of the present invention;

Fig. 5 is the structural diagram of the first channel steel and the second channel steel of the present invention;

Fig. 6 is the structure diagram of the third channel steel of the present invention;

Fig. 7 is the structural diagram of the first angle steel with stiffeners and the second angle steel with stiffeners;

Fig. 8 is the structural diagram of the first angle steel and the second angle steel of the present invention;

Fig. 9 is a schematic diagram of a disassembled structure of the present invention.

In the figure, 1 is the I-shaped steel column, 2 is the I-shaped steel beam, 31 is the first channel steel, 32 is the second channel steel, 4 is the third channel steel, 51 is the first angle steel with stiffeners, 52 is the The second angle steel with stiffeners, 61 is the first angle steel, 62 is the second angle steel, and 7 is the bolt.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear ” and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific configuration and operation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, terms such as "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a A detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary, and it may be an internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

Please refer to Fig. 1 to Fig. 9, the assembled I-shaped steel beam-column node of the present invention includes an I-shaped steel column 1 and an I-shaped steel beam 2;

Flange of I-beam column 1, flange and web of I-beam 2, web and flange of first channel steel 31, web and flange of second channel steel 32, web of channel steel 4 Plates and flanges, the first angle steel 51 with stiffeners, the second angle steel 52 with stiffeners, the first angle steel 61 and the second angle steel 62 are all provided with through holes for the bolts 7 to pass through.

Both sides of the web of the I-shaped steel column 1 are provided with a first channel steel 31 and a second channel steel 32, and a third channel steel 4 is provided between the webs of the first channel steel 31 and the second channel steel 32. The upper flange of the steel beam 2 is provided with a first angle steel 51 with stiffeners, the lower flange is provided with a second angle steel 52 with stiffeners, and both sides of the web are provided with a first angle steel 61 and a second angle steel 62 .

The third channel steel 4 web and the upper and lower flanges of the I-beam 2 are connected by the first angle steel 51 with stiffeners, the second angle steel 52 with stiffeners and bolts 7, the third channel steel 4 webs and The web of the I-beam 2 is connected by the first angle steel 61 , the second angle steel 62 and the bolt 7 .

The webs of the first channel steel 31 and the second channel steel 32 are connected with the upper and lower flanges of the third channel steel 4 respectively by bolts 7, and the upper and lower flanges of the first channel steel 31 and the second channel steel 32 are connected with the upper and lower flanges of the third channel steel 4. The upper and lower flanges of the I-shaped steel column 1 are connected by bolts 7 .

The bolts 7 used for node connection are all high-strength bolts.

Concrete construction process of the present invention is:

Firstly, each component is processed in the factory and then transported to the construction site, and the I-shaped steel column 1 is installed and fixed at the designed position.

Fix the first angle steel 61 and the second angle steel 62 to both sides of the web of the I-beam 2 through bolts 7, and fix the first angle steel 51 with stiffeners to the outside of the upper flange of the I-beam 2 through bolts 7 , the second angle steel 52 with stiffeners is fixed on the outer side of the lower flange of the I-beam 2 through the bolt 7, and the preliminary assembly of the beam is completed.

The web of the third channel steel 4 is connected to the other side of the first angle steel 51 with stiffeners and the second angle steel 52 with stiffeners by bolts 7 to complete the further assembly of the beam.

Place the web of the first channel steel 31 on the outer surface of the upper flange of the third channel steel 4, place the web of the second channel steel 32 on the outer surface of the lower flange of the third channel steel 4, and connect them with bolts 7 to complete Final assembly of beams.

Raise the finally assembled beam to the position corresponding to the bolt hole of the I-shaped steel column 1, and then the bolt 7 passes through the reserved hole through the flange of the I-shaped steel column 1 and the flanges of the first channel steel 31 and the second channel steel 32 and Tighten it, and finally complete the positioning and installation of the beam-column node in the direction of the weak axis of I-beam column 1.

The present invention has the following beneficial effects:

The processing and installation are simple and fast. The components required for node construction can all be processed in the factory, the processing process is simple, the structure of each component is regular, and it is convenient for transportation. The connection methods are all bolted, and there is no need for welding work on the construction site, which significantly reduces labor costs and technical thresholds, and shortens the construction period of the project.

Excellent mechanical properties. The I-steel column and the I-steel beam are connected by channel steel, angle steel and high-strength bolts. The connection form is simple, the force is directly and clearly defined, and the construction quality is easy to guarantee. The first channel steel and the second When the channel steel is connected to the third channel steel, it can be used as the web stiffener of the I-steel column in the joint area to appropriately enhance the mechanical performance of the I-steel column.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (8)

1. An assembled beam-column joint for I-beam weak shaft connection, characterized in that it comprises I-beam column (1), I-beam (2) and connectors; I-beam (2) Fixedly connected to the I-shaped steel column (1) through the connector; The connecting piece includes channel steel and angle steel; the channel steel is fixedly arranged on the web plate of the I-shaped steel column (1), and the I-shaped steel beam (2) is fixed on the channel steel through the angle steel. 2. A prefabricated beam-column joint for I-beam weak shaft connection according to claim 1, characterized in that the channel steel comprises a first channel steel (31), a second channel steel (32) and a first channel steel (32) Three channel steels (4), the first channel steel (31) and the second channel steel (32) are attached to the web plate of the I-beam column (1), and the first channel steel (31) and the second channel steel The flange of the steel (32) is fixed on the flange of the I-shaped steel column (1) by bolts (7); the third channel steel (4) is arranged on the first channel steel (31) and the second channel steel (32) between. 3. A kind of fabricated beam-column joint for I-beam weak shaft connection according to claim 2, characterized in that, the webs of the first channel steel (31) and the second channel steel (32) are respectively connected with The upper and lower flanges of the third channel steel (4) are connected by bolts (7). 4. A prefabricated beam-column joint for I-beam weak shaft connection according to claim 2, characterized in that the opening of the first channel steel (31) faces the upper end of the I-beam column (1), The opening of the second channel steel (32) faces the lower end of the I-shaped steel column (1), and the flanges of the first channel steel (31) and the second channel steel (32) are flush with the flange of the I-shaped steel column (1) flat. 5. A prefabricated beam-to-column joint for I-steel weak shaft connection according to claim 2, characterized in that the opening of the third channel steel (4) faces the web of the I-steel column (1) , the flange of the third channel steel (4) is flush with the flange of the I-beam column (1). 6. A prefabricated beam-to-column joint for I-beam weak shaft connection according to claim 1, characterized in that the angle steel comprises a first angle steel (51) with stiffeners and a second angle steel with stiffeners (52), the third channel steel (4) web and the upper and lower flanges of the I-beam (2) pass through the first angle steel (51) with stiffeners and the second angle steel (52) with stiffeners Bolt (7) connection. 7. A prefabricated beam-column joint for I-beam weak shaft connection according to claim 1, characterized in that the angle steel also includes a first angle steel (61) and a second angle steel (62), and the third groove The web of the steel (4) and the I-beam (2) is fixedly connected with bolts (7) through the first angle steel (61) and the second angle steel (62). 8. The fabricated beam-column joint for I-beam weak shaft connection according to claim 1, characterized in that the bolts (7) are high-strength bolts.

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