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Joint structure for rigid connection of rolled steel beam and steel column, manufacturing method and house structure system

A technology of node structure and rigid connection, applied in building structures, buildings, etc., can solve the problems of long welding time, difficult construction quality control, large welding workload, etc., to achieve good seismic performance, convenient and fast on-site assembly, and bolts. The effect of reducing the number of

Pending Publication Date: 2018-12-07
SHENZHEN YJY BUILDING TECH +1
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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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  • Joint structure for rigid connection of rolled steel beam and steel column, manufacturing method and house structure system
  • Joint structure for rigid connection of rolled steel beam and steel column, manufacturing method and house structure system
  • Joint structure for rigid connection of rolled steel beam and steel column, manufacturing method and house 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 5, a column web 7, a cover plate 6 and a beam web 8; the base plate 5, column web 7 and cover plate 6 are welded and connected sequentially from bottom to top; the beam web 8 is welded On the outer wall of the column web 7;

[0055] The upper and lower steel columns 2 are welded to the cover plate 6 and the bottom plate 5 respectively;

[0056] The steel beam 3 is a welded H-shaped beam, and a lap plate 4 is welded on both sides of the upper flange of the steel beam 3; the lap plate 3 and the lower flange of the steel beam pass through the cover plate 6 and the bottom plate 5 respectively High-strength bolts are fixedly connected; the length of the connectio...

Embodiment 2

[0062] combine Figure 6 to Figure 8 As shown, this embodiment provides a method for making a node structure for the rigid connection between a rolled steel beam and a steel column, including the following steps:

[0063] S1: Weld and prefabricate the bottom plate, column web, cover plate and beam web in the central node in the factory;

[0064] S2: prefabricating and welding the upper and lower steel columns with the cover plate and the bottom plate respectively in a factory;

[0065] 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;

[0066] S4: A lap joint plate is prefabricated and welded in the factory on both sides of the upper flange of the steel beam;

[0067] S5: after the overlapping plate is overlapped with the cover plate, the steel beam is fixedly connected to the central node through high-strength bolts;

[0068] S6: The web of the ste...

Embodiment 3

[0071] Such as Figure 10-11 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 joint structure for rigid connection of a rolled steel beam and a steel column, a manufacturing method and a house structure system. The joint structure comprises a center joint, a steel beam, a beam web splicing plate, an upper steel column and a lower steel column; the center joint is welded and prefabricated in a factory; lap-joint plates are welded to the upper portions of the two sides of an upper flange of the steel beam; the steel beam flange, the web and the center joint are connected through high-strength bolts. On-site butt-joint penetration welding of thebolt welding connection joint flange is omitted, and construction on-site beam column and joint full-bolt assembling is achieved; compared with traditional full-bolt connection joints, the number of bolts at the flange portion is lowered; due to the laying overlapped joint mode of the flange portion, beam construction in-place and bolt connection are facilitated; the multi-layer column and the standardized joint are welded and prefabricated into a whole at the factory, and the on-site construction assembling speed is increased. In addition, the node portion beam is through, and stress is reasonable; factory standardized prefabricated production is achieved; on-site assembling is convenient and rapid, and the construction speed is increased.

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 rolled steel beams and steel columns, a manufacturing method, 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 connection no...

Claims

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Application Information

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IPC IPC(8): E04B1/24E04B1/58
CPCE04B1/2403E04B2001/2457E04B2001/2448E04B2001/2418E04B2001/2406
Inventor 侯兆新张泽宇曾滨龚超王罡张兴杰
Owner SHENZHEN YJY BUILDING TECH
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