Prefabricated double-energy consumption recoverable square steel tube concrete composite column and installation method thereof

A prefabricated and combined column technology, applied in columns, piers, pillars, etc., can solve the problems of insufficient integrity of CFST composite columns, save building space and construction costs, avoid waste, and avoid stress concentration.
CN108360745AActive Publication Date: 2018-08-03QINGDAO TECHNOLOGICAL UNIVERSITY
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
QINGDAO TECHNOLOGICAL UNIVERSITY
Publication Date
2018-08-03

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Abstract

The invention relate to a prefabricated double-energy consumption recoverable square steel tube concrete composite column and an installation method thereof, and belongs to the technical field of structural engineering and is used for solving the problem that during a large earthquake action in the prior art, the integrity of steel tube composite columns is insufficient, and thus double-energy consumption is realized and the post-earthquake recovery capability is improved. The prefabricated double-energy consumption recoverable square steel tube concrete composite column comprises an independent foundation, class I columns, class II columns, bearing platform energy consumption connecting pieces and energy consumption connecting steel plates. T-shaped sliding grooves are formed in the fourwalls of each class I column square steel tube, both sides of each energy consumption connecting steel plate are made into a T shape, and each energy consumption connecting steel plate is inserted into the T-shaped sliding grooves to be connected with each class I column square steel tube. The lower end of each energy consumption connecting steel plate is inserted into a groove of each bearing platform energy consumption connecting piece. Vertical bearing platform connecting plates are arranged on one sides of splicing bases of the two ends of the class II columns, and the splicing bases are connected with the bearing platform energy consumption connecting pieces by using high-strength bolts. The prefabricated double-energy consumption recoverable square steel tube concrete composite column realizes the primary energy consumption of a building structure under the earthquake action and improves the anti-seismic performance of the structure.
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Description

technical field

[0001] The invention relates to the technical field of structural engineering, in particular to an assembled double-energy-consuming recoverable square steel tube concrete composite column and an installation method thereof. Background technique

[0002] With the development of technology, the height and span of building structures continue to increase. In tall and long-span buildings, the columns bear high axial force. The key to the work, which requires the column not only to have sufficient strength but also to have good ductility. When a large load is encountered, the bearing capacity of a column is far below the force requirements, and when the cross-section of the column is large, the building space will be wasted, while the steel tube concrete composite column has a higher bearing capacity and good Ductility, due to the continuous restraint of steel pipes on concrete, significantly improves the poor ductility of concrete, especially high-strength conc...

Claims

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