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Node structure for steel structure beam column rigid connection, manufacturing method and residential structure system

A technology of rigid connection and node structure, which is applied in the direction of residential buildings, truss structures, columns, etc., can solve the problems of difficult control of construction quality, heavy welding workload, and long welding time, and achieve convenient and fast on-site assembly. Reduced number and good seismic performance

Pending Publication Date: 2018-11-23
CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the connection of the column is butt penetration welding at the construction site, the welding workload on site is heavy, the welding time is long, and the construction quality is not easy to control

Method used

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  • Node structure for steel structure beam column rigid connection, manufacturing method and residential structure system
  • Node structure for steel structure beam column rigid connection, manufacturing method and residential structure system
  • Node structure for steel structure beam column rigid connection, manufacturing method and residential structure system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] combine Figure 2 to Figure 5 As shown, this embodiment provides a node structure for the rigid connection of steel structure beams and columns, including: a central node 1, a steel beam 3, a beam web splicing plate 10, and upper and lower steel columns 2; wherein,

[0054] The central node 1 includes a base plate 4, a column web 6, a cover plate 5 and a beam web 7; the base plate 4, a column web 6 and a cover plate 5 are welded and connected sequentially from bottom to top; the beam web 7 is welded On the outer wall of the column web 6;

[0055] The upper and lower steel columns 2 are welded to the cover plate 5 and the bottom plate 4 respectively;

[0056] The steel beam 3 is a welded H-shaped beam, and the upper and lower flanges of the steel beam 3 are fixedly connected with the cover plate 5 and the bottom plate 4 through high-strength bolts 9; after the web of the steel beam 3 is docked with the beam web 7 , fixedly connected through the beam web splicing plate ...

Embodiment 2

[0063] combine Figure 6 to Figure 8 As shown, this embodiment provides a method for making a node structure for the rigid connection of steel structure beams and columns, including the following steps:

[0064] S1: Weld and prefabricate the bottom plate, column web, cover plate and beam web in the central node in the factory;

[0065] S2: prefabricating and welding the upper and lower steel columns with the cover plate and the bottom plate respectively in a factory;

[0066] S3: Weld several steel columns and central nodes sequentially according to requirements to form an integrated prefabricated unit of multi-layer steel columns and central nodes;

[0067] S4: After the steel beam is overlapped with the cover plate, the upper and lower flanges of the steel beam are respectively fixedly connected to the cover plate and the bottom plate through high-strength bolts;

[0068] S5: The web of the steel beam is fixedly connected to the web of the beam through the splicing plate o...

Embodiment 3

[0071] Such as Figure 9-11 As shown, the present invention also discloses a residential structure system with the above node structure, which includes: a vertical load-bearing unit, a horizontal load-bearing unit 20 and a prefabricated floor 30;

[0072] The vertical load-bearing unit includes a number of uprights that are connected up and down in sequence; Specifically, the two vertically adjacent columns include the upper steel column and the lower steel column; the upper steel column and the lower steel column are connected through a central node 1 .

[0073] The lateral load-bearing unit 20 includes: a lateral load-bearing frame and an enclosure wall 21 arranged outside the lateral load-bearing frame; the lateral load-bearing frame includes a steel beam 3 placed horizontally on the upper edge of the enclosure wall 21; a plurality of vertical load-bearing units as The vertical load-bearing structure of the building is erected in parallel at intervals; the horizontal load-...

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Abstract

The invention relates to a node structure for steel structure beam column rigid connection, a manufacturing method and a residential structure system. The node structure for steel structure beam column rigid connection comprises a center node, a steel beam, a beam web plate splicing plate and upper and lower steel columns, wherein the center node is welded and prefabricated in a factory; steel beam wing edges, a web plate and the center node are connected through high-intensity screw bolts. The field butt joint penetration welding of bolting and welding connection node wing edges is omitted; the construction field beam column and node full screw bolt assembly is realized. Compared with a traditional full screw bolt connection node, the node structure has the advantages that the number of screw bolts in wing edge positions is reduced by a half; the laying lap joint node in the wing edge position is used, so that the beam construction in-position and screw bolt connection is convenient;multilayered columns and standardized nodes are welded and prefabricated into a whole in the factory; the field construction assembly speed is accelerated. In addition, the node position beams are penetrated; the stress is reasonable; the factory standardized prefabricating production is realized; the field assembly is convenient and fast; the construction speed is accelerated.

Description

technical field [0001] The invention relates to the technical field of building structure node connection, in particular to a node structure for rigidly connecting steel structure beams and columns, a manufacturing method thereof, and a residential structure system. Background technique [0002] The beam-column joints of steel structures stipulated in existing codes and widely used in engineering are bolted welded joints (the structure of which is as follows: Figure 1a shown), specifically flange butt penetration weld connection and web high-strength bolt connection. Its characteristic is that the column is connected at the node position, and the inner diaphragm is set at the beam flange position in the column, and the flange connection is a butt penetration weld. % weld inspection. In addition, there are fully bolted beam-to-column joints (whose structure is as Figure 1b shown), specifically the flange is also connected by bolts, and the number of bolts in this connecti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/24E04B1/58E04B1/38E04C3/06E04C3/32E04B5/02E04H1/02E04B1/98E04H9/02
CPCE04B1/24E04B1/2403E04B1/38E04B5/02E04C3/06E04C3/32E04H1/02E04H9/024E04B2001/2406
Inventor 张泽宇侯兆新龚超桂宇飞刘晓刚卞晓芳
Owner CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP
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