CN205116431U - Eccentric connection structure who aligns of beam column - Google Patents

Abstract

The utility model discloses a connection structure for eccentric alignment of beams and columns. The straight connecting plate, the upper flange plate and the lower flange plate are fixed symmetrically above and below the middle vertical connecting plate respectively, the steel beam connecting plate is a rectangular steel plate, and one end of the steel beam connecting plate is vertically fixed on the middle vertical connecting plate The straight connecting plate and its two sides are fixed vertically with the upper flange plate and the lower flange plate respectively. The other end of the steel beam connecting plate is fixed with the steel beam through high-strength bolts. The flange plate is welded, and the lower flange of the steel beam is welded to the lower flange plate of the corbel. This structure realizes the rigid connection of the beam and column under the eccentric alignment of the beam and column in the direction of the strong axis, which reduces the need for additional steel beams at the column axis The cost of beams, while meeting the needs of building functions.

Description

Connection structure with eccentric alignment of beams and columns

technical field

The utility model belongs to the field of construction, in particular to a connection structure with eccentric alignment of beams and columns.

Background technique

In multi-story and high-rise steel frame structures, the connection of beams and columns is mostly rigid connection. The common practice of beam-column connection in the direction of strong axis is that the flange of the beam and the connection between the web and the column are all welded, that is, the full-welded connection, the beam flange and the column are welded, and the web and the column are bolted and welded. There is also a fully bolted connection in which both the flange and the web are bolted to the column. In these methods, the connection of beam and column adopts the method of center alignment, that is, the center lines of beam and column are on the same straight line, but there is no mature method for the connection of eccentric alignment of beam and column.

Contents of the invention

The purpose of this utility model is to overcome the existing deficiencies and provide a connection structure with eccentric alignment of beams and columns. It mainly meets the requirements of architectural design for the corresponding functions of buildings.

Therefore, the technical scheme of the utility model is as follows:

A connection structure with eccentric alignment of beams and columns, the structure includes I-shaped steel columns, steel beams, corbels and steel beam connection plates, wherein the corbels include upper flange plates, lower flange plates and middle vertical connection plates, the upper The flange plate and the lower flange plate are symmetrically fixed on the upper and lower sides of the middle vertical connecting plate respectively, the steel beam connecting plate is a rectangular steel plate, and one end of the steel beam connecting plate is vertically fixed on the middle vertical connecting plate of the corbel and Its two sides are fixed vertically with the upper flange plate and the lower flange plate respectively, and the other end of the steel beam connection plate is fixed with the steel beam through high-strength bolts, and the upper flange of the steel beam is welded with the upper flange plate of the corbel. The lower flange of the beam is welded to the lower flange plate of the corbel.

Moreover, the section of the corbel is I-shaped.

Moreover, the middle vertical connecting plate is a rectangular steel plate.

Moreover, the steel beam is an I-shaped steel beam.

Moreover, the number of the high-strength bolts is more than two.

Moreover, the upper flange plate of the corbel includes a rectangular surface fixed in the I-shaped steel column and an isosceles trapezoidal surface extending outward from the rectangular surface.

Moreover, the lower flange plate of the corbel includes a rectangular surface fixed in the I-shaped steel column and an isosceles trapezoidal surface extending outward from the rectangular surface.

Moreover, column stiffeners are fixedly mounted on the I-shaped steel column.

The beneficial effects of the utility model are:

The utility model beam-column eccentrically aligned connection structure includes an I-shaped steel column, a steel beam, a corbel and a steel beam connecting plate, wherein the corbel includes an upper flange plate, a lower flange plate and a middle vertical connecting plate, The upper flange plate and the lower flange plate are fixed symmetrically above and below the middle vertical connecting plate respectively, the steel beam connecting plate is a rectangular steel plate, and one end of the steel beam connecting plate is vertically fixed on the middle vertical connecting plate of the corbel And its two sides are fixed vertically with the upper flange plate and the lower flange plate respectively, the other end of the steel beam connecting plate is fixed with the steel beam through high-strength bolts, and the upper flange of the steel beam is welded with the upper flange plate of the corbel. The lower flange of the steel beam is welded to the lower flange plate of the corbel. This structure realizes the rigid connection of the beam and column under the eccentric alignment of the beam and column in the direction of the strong axis, which not only reduces the cost of installing a steel beam at the column axis, At the same time, it meets the needs of building functions. In addition, it has the advantages of high rigidity, high bearing capacity and convenient construction. During transportation, it can be transported in place at one time, which relieves the transportation pressure and reduces transportation accidents.

Description of drawings

Fig. 1 is the structural representation of the connection structure of the beam-column eccentric alignment of the utility model;

Fig. 2 is the bottom view of Fig. 1;

Fig. 3 is a left side view of Fig. 2 .

detailed description

The technical scheme of the utility model is further described below in conjunction with specific embodiments.

A beam-column eccentrically aligned connection structure, the structure includes an I-shaped steel column 7, a steel beam 5, a corbel and a steel beam connecting plate 3, wherein the corbel includes an upper flange plate 1, a lower flange plate 8 and a middle vertical The straight connecting plate 2, the upper flange plate and the lower flange plate are fixed symmetrically above and below the middle vertical connecting plate respectively, the steel beam connecting plate is a rectangular steel plate, and one end of the steel beam connecting plate is vertically fixed in the middle of the corbel The vertical connection plate and its two sides are fixed vertically with the upper flange plate and the lower flange plate respectively, the other end of the steel beam connection plate is fixed with the steel beam through high-strength bolts 4, the upper flange of the steel beam and the corbel The upper flange plate is welded, and the lower flange of the steel beam is welded with the lower flange plate of the corbel. The cross section of the corbel is I-shaped. The middle vertical connecting plate is a rectangular steel plate. The steel beam is an I-shaped steel beam. The number of high-strength bolts is more than two. There are two high-strength bolts shown in the accompanying drawings of the utility model, and the upper flange plate of the corbel includes a rectangular surface fixed in the I-shaped steel column and an isosceles trapezoidal surface extending from the rectangular surface. The lower flange plate of the corbel includes a rectangular surface fixed in the I-shaped steel column and an isosceles trapezoidal surface extending outward from the rectangular surface. A column stiffener 6 is fixedly mounted on the I-shaped steel column.

The type and number of the high-strength bolts of the utility model are determined according to the force calculation of the beam-column connection node, but not less than 2. The arrangement of high-strength bolts should also meet the requirements of the current "Code for Design of Steel Structures" GB50017-2003. Butt welds are used to connect the connecting plate between the corbel and the steel beam and the corbel. The construction sequence of this node is that the connections between corbels and steel columns, corbels and connecting plates are all completed in the factory, and the connection between corbels and steel beams is carried out during on-site installation.

The utility model has been described as an example above. It should be noted that, without departing from the core of the utility model, any simple deformation, modification or other equivalent replacements that can be made by those skilled in the art without costing creative labor all fall into the Into the scope of protection of the utility model.

Claims (8)

1. the syndeton of a beam and column eccentricity alignment, it is characterized in that: this structure comprises I-shaped steel column, girder steel, bracket and girder steel junction plate, wherein bracket comprises top flange plate, bottom wing listrium and center vertical junction plate, top flange plate and bottom wing listrium respectively symmetrical be packed in center vertical junction plate above and below, girder steel junction plate is rectangular steel plates, on the center vertical junction plate that girder steel junction plate one end is vertically packed in bracket and its both sides are respectively with top flange plate and bottom wing listrium is vertical is fixedly mounted with, the girder steel junction plate other end is fixedly mounted with by high-strength bolt and girder steel, the top flange of girder steel is welded with the top flange plate of bracket, the bottom flange of girder steel is welded with the bottom wing listrium of bracket.

2. the syndeton of beam and column eccentricity alignment according to claim 1, it is characterized in that, the cross section of described bracket is I shape.

3. the syndeton of beam and column eccentricity alignment according to claim 2, it is characterized in that, described center vertical junction plate is rectangular steel plates.

4. the syndeton of beam and column eccentricity alignment according to claim 1, it is characterized in that, described girder steel is i-shape steel beam.

5. the syndeton of beam and column eccentricity alignment according to claim 4, it is characterized in that, the quantity of described high-strength bolt is more than 2.

6. the syndeton of beam and column eccentricity alignment according to claim 1, it is characterized in that, the top flange plate of described bracket comprises the rectangular surfaces be packed in I shape steel column and the isosceles trapezoid face of outwards being extended by rectangular surfaces.

7. the syndeton of beam and column eccentricity alignment according to claim 1, it is characterized in that, the bottom wing listrium of described bracket comprises the rectangular surfaces be packed in I shape steel column and the isosceles trapezoid face of outwards being extended by rectangular surfaces.

8. the syndeton of beam and column eccentricity alignment according to claim 1, is characterized in that, described I-shaped steel column is fixed with post stiffening rib.