Assembly type multi-high-rise steel specially-shaped column frame and prestress eccentric supporting system

An eccentric support, steel special-shaped column technology, applied in the direction of construction, building structure, etc., can solve the problems of brittle failure of rigid beam-column joints, and achieve the effect of reducing construction waste, avoiding environmental pollution, and efficient recycling.

Active Publication Date: 2013-11-27
广西新峰钢构有限公司
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  • Abstract
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AI Technical Summary

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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  • Assembly type multi-high-rise steel specially-shaped column frame and prestress eccentric supporting system
  • Assembly type multi-high-rise steel specially-shaped column frame and prestress eccentric supporting system
  • Assembly type multi-high-rise steel specially-shaped column frame and prestress eccentric supporting system

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Experimental program
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Effect test

Embodiment Construction

[0069] The present invention is described in detail below in conjunction with accompanying drawing:

[0070] as attached figure 1As 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.

[0071] as attached figure 2 As shown, in the assembled multi-story steel special-shaped column frame-eccentric support system described in the present invention, the beam involved is a truss beam composed of channel steel splicing, including upper and lower chords I1 and webs 2, wherein the upper and lower chords Both I1 and web 2 are made of channel steel, and are divided into single-channel steel beam and double-channel steel beam. The channel steel beam is provided with connecting holes at a fixed distance, so that two single-channel steel beams can be bolted t...

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Abstract

The invention discloses an assembly type multi-high-rise steel specially-shaped column frame and prestress eccentric supporting system, and belongs to the technical field of structural engineering. The assembly type multi-high-rise steel specially-shaped column frame and prestress eccentric supporting system comprises assembly type truss plates, assembly type specially-shaped columns and prestress eccentric supporting components. Each assembly type truss plate comprises lattice type truss beams with steel channel web members, and a floor slab. The assembly type truss plates are prefabricated in factories, and are mutually spliced with flanges of the assembly type specially-shaped columns through beam end blanking plates of the assembly type truss plates on the construction site, and bolts are used for splicing the assembly type specially-shaped columns between layers to form a multi-layer truss plate steel-frame structure on the site. On the basis of the truss plate steel-frame structure, the presstress eccentric supporting components serve as lateral-load resistant components, and are connected with the truss beams of the assembly type truss plates and the column bottoms or the tops of assembly type stand columns. The assembly type truss plates, the assembly type specially-shaped columns and the presstress eccentric supporting components are prefabricated in the factories, and are assembled through bolts on the construction site.

Description

technical field [0001] The invention relates to an assembled multi-story steel special-shaped column 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 steel structures for houses (including residences). [0003] At present, the systematic research on high-rise steel structure residences at home and a...

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 张爱林惠怡刘学春马靖曹明徐阿新
Owner 广西新峰钢构有限公司
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