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Controllable energy consumption swing column foot

A technology for swinging columns and column bases, which can be used in building components, earthquake resistance, building types, etc.

Pending Publication Date: 2021-08-06
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, many years of research results show that prestressed tendons will lose prestress during construction and later use, and even unforeseen damage such as anchoring and broken wires may occur, which may limit its application in actual engineering

Method used

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  • Controllable energy consumption swing column foot
  • Controllable energy consumption swing column foot
  • Controllable energy consumption swing column foot

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0029] like figure 1 As shown, the controllable energy-dissipating plastic hinge of the present invention includes a conversion head 1 , a disc spring self-resetting anti-buckling energy-dissipating device 2 , a reinforced concrete column 3 , and a cup base 4 .

[0030] like figure 2 As shown, the conversion head 1 is composed of a connecting plate 6 (steel plate) and a steel pipe concrete column 5, pouring concrete in the steel pipe, and welding the connecting plate 6 and one end of the steel pipe. Equal-strength design is carried out for steel tube concrete columns and reinforced concrete, and the axial compression ratio is controlled to provide installation space for disc spring self-resetting anti-buckling energy-dissipating devices. Bolt holes 7 are provided on the connecting plate 6 so as to be connected with the pre-embedded bolts 18 on the reinforc...

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Abstract

The invention discloses a controllable energy consumption swing column foot. The controllable energy consumption swing column foot comprises a reinforced concrete column on the upper portion and a cup rim foundation on the lower portion, a steel pipe concrete conversion head is arranged between the cup rim foundation and the reinforced concrete column, and disc spring self-resetting buckling-restrained energy consumption devices are arranged at the four corners of the steel pipe concrete conversion head. According to the controllable energy consumption swing column foot, partial constraint between the column bottom and the foundation is relieved, a self-resetting device and an energy consumption device are integrated, the novel controlled swing column foot is designed, the anti-seismic performance of a concrete frame structure is improved, passive control over the structure under the earthquake action is achieved, the purpose that the function of the structure can be recovered is achieved, and rapid development of the concrete frame-swing column structure is promoted.

Description

technical field [0001] The invention relates to the technical field of an energy-dissipating and shock-absorbing structure and a recoverable functional concrete frame-swaying column structure system, in particular to a column foot of a controllable energy-dissipating swinging column. Background technique [0002] In traditional reinforced concrete frame structures, the column foot and the foundation are usually cast in place to form a rigid connection. When a horizontal earthquake occurs, the structure itself deforms and cracks are generated in the column foot area. When the horizontal earthquake is large, the column foot area is easy to form plastic hinge. The structure mainly relies on the elastic-plastic deformation of the structure itself to dissipate the seismic energy. However, the column-hinge failure mechanism is an unfavorable failure, and the column-hinge failure mechanism is not allowed to occur in engineering. The reason is that after the plastic hinge is forme...

Claims

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Application Information

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IPC IPC(8): E04B1/21E04B1/98E04H9/02
CPCE04H9/021E04B1/21E04B1/98
Inventor 史庆轩马立成王斌
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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