Industrialized multi-story high-rise assembled steel structure frame - prestressed eccentrically-braced system

A steel structure frame and eccentric support technology, which is applied to truss structures, pillars, building components, etc., can solve the problems of non-structural component damage, structural lateral stiffness that cannot meet the requirements, and large deformation

Active Publication Date: 2013-03-20
CHINA RAILWAY CONSTR GROUP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the traditional steel frame structure system, the lateral rigidity of the structure is difficult to meet the requirements, and the deformation is large, which is easy to cause damage to non-structural components. The industrialized multi-story

Method used

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  • Industrialized multi-story high-rise assembled steel structure frame - prestressed eccentrically-braced system
  • Industrialized multi-story high-rise assembled steel structure frame - prestressed eccentrically-braced system
  • Industrialized multi-story high-rise assembled steel structure frame - prestressed eccentrically-braced system

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[0063] The present invention will be described in detail below in conjunction with the drawings:

[0064] As attached figure 1 As shown, the splicing position of the fabricated truss panel of the present invention is set in the middle of the main beam, where the shear force and bending moment are relatively small. From the perspective of structural mechanics, the splicing position is very reasonable.

[0065] As attached figure 2 As shown, in the industrialized multi-high-rise assembled steel frame-prestressed eccentric support system of the present invention, the beam involved is a truss beam composed of angle steel and gusset plate splicing, including upper and lower chords I1, web members 2, and Gusset plate 3, in which upper and lower chords I1 and web members 2 are made of angle steel, and are divided into single angle steel beams and double angle steel beams. Single angle steel beams are provided with connecting holes at regular intervals, which is convenient for the splicing...

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Abstract

The invention relates to an industrialized multi-story high-rise assembled steel structure frame - prestressed eccentrically-braced system, belonging to the technical field of structure engineering. The industrialized multi-story high-rise assembled steel structure frame - prestressed eccentrically-braced system comprises assembled truss plates, assembled flange columns and prestressed eccentric bracing members. The assembled truss plates are prefabricated in a factory. On a construction site, the assembled truss plates are spliced together through beam end closing plates or column base joints to form frame structure beam-slab layers; the frame structure beam-slab layers are vertically connected through the assembled flange columns to form a multilayer steel frame structure; on the basis of the steel frame structure, the prestressed eccentric bracing members are connected to truss beams or column bottoms in the frame structure beam-slab layers and are used as lateral-force-resistant members; and all members are prefabricated in the factory and are assembled through bolts on the construction site. In combination with modularization, factory production, standardization and assembling, the industrialized multi-story high-rise assembled steel structure frame - prestressed eccentrically-braced system has the advantages that the factory production and the on-site rapid assembling are realized; and on the premise that the construction quality is guaranteed, the construction speed is improved, the construction period is shortened and the construction cost is decreased.

Description

technical field [0001] The invention relates to an industrial multi-high-rise assembled steel structure frame-prestressed eccentric support system, which belongs to the technical field of structural engineering. Background technique [0002] my country's annual urban and rural housing area is 2 billion square meters, of which more than 80% are high-energy buildings, and the energy consumption per unit building area in my country is more than twice that of developed countries. According to the statistics of the China Iron and Steel Association, in 2011, my country's steel output exceeded 700 million tons, ranking first in the world's steel output for 16 consecutive years. Our country is less than 4%. As the country with the largest construction scale and steel output in the world, China lags behind seriously in the development of housing steel structures. [0003] At present, the systematic research on high-rise steel structure residences at home and abroad is in its infancy...

Claims

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Application Information

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IPC IPC(8): E04B1/00E04B1/02E04B1/19E04B1/58E04B5/14E04C3/08E04C3/32
Inventor 张爱林郭志鹏刘学春史晓娜
Owner CHINA RAILWAY CONSTR GROUP
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