Fabricated multistory and high-rise prestressed steel frame-sway brace system provided with special-shaped columns

A prestressed steel and support system technology, applied in the direction of construction, building structure, etc., can solve the problems that affect the safety performance of buildings, the quality of welding seams is not suitable for control, and the construction speed is slow, so as to achieve fewer safety accidents, reduce construction waste, The effect of fast construction speed

Inactive Publication Date: 2013-11-27
BEIJING UNIV OF TECH
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Problems solved by technology

A lot of welding is used in the construction of traditional steel structure residential buildings, the construction speed is slow, and the pollution to the environment is serious. The most important thing is that the quality of the welds is not suitable for control, which seriously affects the safety performance of the building.

Method used

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  • Fabricated multistory and high-rise prestressed steel frame-sway brace system provided with special-shaped columns
  • Fabricated multistory and high-rise prestressed steel frame-sway brace system provided with special-shaped columns
  • Fabricated multistory and high-rise prestressed steel frame-sway brace system provided with special-shaped columns

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Embodiment Construction

[0072] Attached below figure 1 -41 describes the present invention in detail:

[0073] as attached figure 1 As shown, the splicing position of the assembled steel plate of the present invention is set in the middle of the main girder, where the shear force and bending moment are relatively small. From the perspective of structural mechanics, the setting of the splicing position is reasonable.

[0074] as attached figure 2 As shown, in the prefabricated multi-story prestressed steel special-shaped column frame-slant support system described in the present invention, the beam involved is a shaped steel beam made of channel steel, which is divided into a single channel steel beam and a double channel steel beam, The channel steel beams are provided with connection holes at intervals of a fixed distance, which is convenient for splicing two single-channel steel beams into double-channel steel beams with bolts when the plates are spliced ​​together.

[0075] For the above beam ...

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Abstract

The invention discloses a fabricated multistory and high-rise prestressed steel frame-sway brace system provided with special-shaped columns, and relates to the technical field of structural engineering. The fabricated multistory and high-rise prestressed steel frame-sway brace system comprises fabricated profile steel plates, fabricated special-shaped columns and eccentric supporting members, wherein the fabricated profile steel plates comprise profile steel beams consisting of steel channels and floor slabs; the fabricated profile steel plates are prefabricated in a factory; at the construction site, the fabricated profile steel plates are mutually spliced with flange plates of the fabricated special-shaped columns through beam-end blanking plates of the fabricated profile steel plates, steel angles with equal legs and steel tightwires, and layers of the fabricated special-shaped columns are spliced at the site by bolts, so that a multilayer profile steel plate steel-frame structure is formed; on the basis of the steel-frame structure, the eccentric supporting members are connected to profile steel beams or column bottoms in beam and slab layers of the frame structure and taken as lateral force resisting members; and the fabricated profile steel plates, the fabricated special-shaped columns and the eccentric supporting members are all prefabricated in the factory and assembled at the construction site by bolts.

Description

technical field [0001] The invention relates to an assembled multi-story prestressed steel special-shaped column frame-diagonal 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 steel structures for houses (including residences). [0003] The implementation of my country's "Twelfth Five-Year Plan" has brought the construction i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/00E04B1/02E04B1/19E04B1/58
Inventor 刘学春马靖张爱林曹明徐阿新田辰
Owner BEIJING UNIV OF TECH
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