Outer ring type beam column rigid connection node
Technical Field
The invention relates to the field of beam-column nodes, in particular to an outer ring type beam-column rigid connection node.
Background
The beam column connection of the steel frame side force resisting component needs to meet the condition that the ultimate bearing capacity of the connection is larger than the full plastic bearing capacity of the component, a transverse clapboard needs to be arranged in the steel pipe column at the corresponding position of a beam flange at the joint of the H-shaped steel beam and the steel pipe column to transfer bending moment, and the adopted connection mode comprises inter-column clapboard type connection, clapboard through type connection and outer ring board type connection. When the inner partition plate type connection and the partition plate through type connection are adopted, the section size of the column is large in order to meet the requirement of concrete pouring in the steel pipe column, the indoor space of a building is exposed, and the use requirement of the building is influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an outer ring type beam column rigid connection node.
The purpose of the invention can be realized by the following technical scheme:
a rigid connection node of an outer ring type beam column is used at the beam column connection part of a building partition wall and comprises a rectangular steel pipe concrete column, a plurality of H-shaped steel beams, two outer ring type horizontal stiffening plates and four web plates, the middle part of the outer ring type horizontal stiffening plate is provided with a through hole which is matched with the cross section shape of the rectangular steel pipe concrete column, the outer ring type horizontal stiffening plate is sleeved on the periphery of the rectangular concrete-filled steel tube column, the web plates are respectively arranged on four side surfaces of the rectangular concrete-filled steel tube column, the side edge of the web plate is fixedly connected with the rectangular steel pipe concrete column, the top surface and the bottom surface of the web plate are respectively and fixedly connected with the two outer ring type horizontal stiffening plates, the H-shaped steel beam is fixedly connected with the outer ring type horizontal stiffening plate and the side face of the web plate, and the width of the rectangular concrete-filled steel tube column is matched with the thickness of the building partition wall.
Preferably, the side edge of the web plate is fixedly connected with the rectangular concrete-filled steel tube column and the outer ring type horizontal stiffening plate through full penetration welding.
Preferably, the outer ring type horizontal stiffening plate and the rectangular steel pipe concrete column are fixedly connected through full penetration welding.
Preferably, the two outer ring type horizontal stiffening plates are respectively a first stiffening plate and a second stiffening plate, the first stiffening plate is positioned above the second stiffening plate,
the side face of the first stiffening plate is fixedly connected with the tail end of the upper flange of the H-shaped steel beam, the side face of the second stiffening plate is fixedly connected with the tail end of the lower flange of the H-shaped steel beam, and the side face of the web plate is fixedly connected with the tail end of the web plate of the H-shaped steel beam.
Preferably, the H-shaped steel beam is fixedly connected with the first stiffening plate, the second stiffening plate and the web plate through bolt welding.
Preferably, the cross section of the outer ring type horizontal stiffening plate is octagonal, and four side edges of the outer ring type horizontal stiffening plate are parallel to the side surfaces of the rectangular concrete-filled steel tube column respectively.
Preferably, the thickness of the outer ring type horizontal stiffening plate is larger than that of the flange of the H-shaped steel beam.
Preferably, the outer ring type horizontal stiffening plate is at least 2mm thicker than the flange of the H-shaped steel beam.
Preferably, the connecting node comprises two H-shaped steel beams.
Preferably, the connection node comprises four H-shaped steel beams.
Compared with the prior art, the invention has the following advantages:
1) the rectangular steel pipe concrete column of the connecting node is matched with the building partition wall in thickness, the outer ring type horizontal stiffening plates are connected with the H-shaped steel beams, the whole body is connected by welding, the rectangular steel pipe concrete column can be matched with the building partition wall to achieve the indoor effect of the column, and the connecting strength and the attractiveness of the connecting node are improved;
2) the steel pipe column is connected with the H-shaped steel beam by utilizing the outer ring type horizontal stiffening plate and the web plate, no shelf is arranged inside the steel pipe column, the welding workload is reduced, the concrete pouring in the steel pipe column is not influenced, the concrete pouring quality is ensured, the construction speed is high, and the steel pipe column is suitable for beam column rigid connection when the section size of a frame column is small or more beams are crossed in the frame column;
3) the web plate and the outer ring type horizontal stiffening plate can be pre-welded with the rectangular steel pipe concrete column before leaving a factory, so that the integrated prefabrication of the connecting node is realized, when the construction is carried out in a building partition scene, the H-shaped steel beam 4 is welded and connected according to the requirement, no additional assembly component is needed, the connection of the beam-column node is realized, the construction cost and the construction difficulty are reduced, and the construction efficiency is improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic elevational view of the present invention;
FIG. 3 is a schematic plan view of the present invention;
fig. 4 is a schematic structural view of the outer ring type horizontal stiffener plate according to the present invention.
The concrete-filled steel tube reinforced concrete column comprises a rectangular concrete-filled steel tube column 1, an outer ring type horizontal stiffening plate 2, a web plate 3, an H-shaped steel beam 4 and a perforation 5.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. Note that the following description of the embodiments is merely a substantial example, and the present invention is not intended to be limited to the application or the use thereof, and is not limited to the following embodiments.
Examples
An outer ring type beam column rigid connection node is used for beam column joints of building partitions, as shown in figures 1-4, the connection node comprises a rectangular steel tube concrete column 1, a plurality of H-shaped steel beams 4, two outer ring type horizontal stiffening plates 2 and four web plates 3, a perforation 5 matched with the cross section of the rectangular steel tube concrete column 1 in shape is arranged in the middle of each outer ring type horizontal stiffening plate 2, each outer ring type horizontal stiffening plate 2 is sleeved on the periphery of the rectangular steel tube concrete column 1, the web plates 3 are respectively arranged on four side faces of the rectangular steel tube concrete column 1, the side edges of the web plates 3 are fixedly connected with the rectangular steel tube concrete column 1, the top face of each web plate 3 is fixedly connected with the bottom face of the outer ring type horizontal stiffening plate 2 positioned on the upper portion, the bottom face of each web plate 3 is fixedly connected with the top face of the outer ring type horizontal stiffening plate 2 positioned on the upper portion, the H-shaped steel beams 4 are fixedly connected with the outer ring type horizontal stiffening plates 2 and the side faces of the web plates 3, the width of the rectangular concrete-filled steel tube column 1 is matched with the thickness of a building partition wall, and particularly, the width of the rectangular concrete-filled steel tube column 1 is equal to that of the building partition wall or is less than 10cm wider than that of the building partition wall, so that the connecting node can be hidden in the building partition wall, and the indoor effect of not exposing the column is achieved.
For the structure of the outer ring type horizontal stiffening plate 2, in order to be connected with the rectangular concrete filled steel tube column 1 conveniently, the application range and the structural strength of the structure are improved, the cross section of the outer ring type horizontal stiffening plate 2 is octagonal, four side edges of the outer ring type horizontal stiffening plate 2 are parallel to the side surfaces of the rectangular concrete filled steel tube column 1 respectively, the fact that the follow-up H-shaped steel beam 4 is perpendicular to the side surfaces of the rectangular concrete filled steel tube column 1 when being connected is ensured, and the side edges of the cross section octagon of the outer ring type horizontal stiffening plate 2 are long edges, transition edges, short edges, transition edges, long edges, transition edges, short edges and transition edges in sequence as shown in fig. 4.
In addition, the thickness of the outer ring type horizontal stiffening plate 2 is larger than the thickness of the flange of the H-shaped steel beam 4, and the thickness of the outer ring type horizontal stiffening plate 2 is at least 2mm thicker than that of the flange of the H-shaped steel beam 4.
All parts of the invention are fixedly connected in a welding mode, wherein the web plate 3 and the outer ring type horizontal stiffening plate 2 are pre-welded with the rectangular steel pipe concrete column 1 before leaving factory, so that the integrated prefabrication of the connection node is realized, and when the construction is carried out in a building partition scene, the H-shaped steel beams 4 are welded and connected according to requirements. The invention realizes the connection of beam-column nodes without additional assembly components.
Specifically, the side of the web plate 3 is fixedly connected with the rectangular steel pipe concrete column 1 and the outer ring type horizontal stiffening plate 2 through full penetration welding, and the outer ring type horizontal stiffening plate 2 is fixedly connected with the rectangular steel pipe concrete column 1 through full penetration welding.
In this embodiment, for the connection form of the H-shaped steel beam 4 in one connection node, the two outer ring type horizontal stiffening plates 2 are respectively a first stiffening plate and a second stiffening plate, the first stiffening plate is located above the second stiffening plate, the side surface of the first stiffening plate is fixedly connected with the end of the upper flange of the H-shaped steel beam 4, the side surface of the second stiffening plate is fixedly connected with the end of the lower flange of the H-shaped steel beam 4, the side surface of the web 3 is fixedly connected with the end of the web of the H-shaped steel beam 4, and the H-shaped steel beam 4 is fixedly connected with the first stiffening plate, the second stiffening plate and the web 3 by means of bolting and welding.
The H-shaped steel beams 4 of the present invention may be provided in four as shown in fig. 1, or two as shown in fig. 3, and arranged according to the construction requirements of the site.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.