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A prefabricated steel structure central support frame system

A support frame and prefabricated technology, applied in the direction of building structure and construction, can solve problems such as brittle failure of rigid beam-column joints, and achieve the effect of reducing construction period, reducing project cost and improving construction speed.

Inactive Publication Date: 2016-03-09
河南天蚕富煌钢结构有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, the earthquake experience shows that the rigid beam-column joints of buildings have different degrees of brittle failure.

Method used

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  • A prefabricated steel structure central support frame system
  • A prefabricated steel structure central support frame system
  • A prefabricated steel structure central support frame system

Examples

Experimental program
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Embodiment Construction

[0067] The present invention is described in detail below in conjunction with accompanying drawing:

[0068] as attachedfigure 1 As shown, the splicing position of the assembled truss 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.

[0069] as attached figure 2 As shown, in the prefabricated steel structure central support frame system of the present invention, the involved beams are truss beams composed of angle steel splicing, including upper and lower chords I (1) and webs I (2), wherein the upper and lower chords Both I (1) and web I (2) use angle steel, and are divided into single-angle steel beams and double-angle steel beams. The single-angle steel beams are provided with connecting holes at a fixed distance, which is convenient to use bolts when splicing plates. Two pieces of single-an...

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Abstract

The invention relates to an assembled steel structure center support frame system and belongs to the technical field of structure engineering. The system comprises assembled truss plates, assembled uprights and center support members, wherein the assembled truss plates comprise lattice truss beams with steel angle web members, and floor plate, and are prefabricated in a factory; the assembled truss plates are spliced with beam column nodes of the assembled uprights by beam end sealing plates of the assembled truss plates at a construction site; the assembled uprights are spliced between layers by bolts on site to form a multilayer steel frame structure; based on the steel frame structure, the center support members serve as lateral force resisting members and are connected with the truss beams in the assembled truss plates and the bottoms or tops of the assembled uprights; the assembled truss plates, the assembled uprights and the center support members are prefabricated in the factory and assembled by the bolts at the construction site.

Description

technical field [0001] The invention relates to an assembled steel structure central support frame system, which belongs to the technical field of structural engineering. Background technique [0002] 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). 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. [0003] At present, the systematic research on high-rise steel structure residences at home and abroad is in its infancy, and the innov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/00E04B1/19E04B1/58
Inventor 张爱林赵越刘学春徐阿新胡婷婷惠怡田辰
Owner 河南天蚕富煌钢结构有限公司
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