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A repair-free self-resetting frictional energy-dissipating support

A technology of friction energy consumption and self-resetting, which is applied to building components, building structures, and earthquake resistance. It can solve the problems of difficult control accuracy, cumbersome assembly process, and difficult work, so as to reduce earthquake response, simplify construction technology, Eliminates the effect of residual deformation

Active Publication Date: 2017-11-17
BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is: the traditional self-resetting support needs to replace the whole support when it is repaired after the earthquake, the work is difficult and costly, and the structure is complex, the assembly process is cumbersome and it is not easy to control the accuracy, so it is necessary to provide a structure Simple, easy to assemble, repair-free self-resetting frictional energy-dissipating support that can be restored to its original state after a moderate or large earthquake, so that the support can return to normal performance without repair after the earthquake

Method used

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Embodiment Construction

[0032] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplified description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention. In addition, the terms "first", "second" They are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] In the description of the present invention, it should be noted that unless otherwise specified and limited, the t...

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Abstract

The invention relates to the technical field of frame-support structures, in particular to a repair-free self-resetting frictional energy-dissipating support. The repair-free self-resetting friction energy-dissipating support provided by the present invention can consume the input energy of the earthquake through the friction between the first friction plate and the second friction plate in the friction energy-dissipating mechanism when an earthquake occurs, and reduce the earthquake of the main structure At the same time, after the earthquake, the support can return to the original state under the action of the self-resetting mechanism, thereby reducing or even eliminating the residual deformation of the entire structure; in addition, compared with the existing self-resetting support, the support has multiple Under the reciprocating action, it can still guarantee the ability of stable frictional energy consumption, so it can still be used after the earthquake, and the purpose of no repair after the earthquake is realized; in addition, the repair-free self-resetting frictional energy-dissipating support provided by this application has a simple structure and is easy to install , which greatly simplifies the construction process and is conducive to meeting the needs of construction industrialization.

Description

technical field [0001] The invention relates to the technical field of frame-support structures, in particular to a repair-free self-resetting frictional energy-dissipating support. Background technique [0002] At present, the frame-bracing structure system is one of the most widely used structural systems in high-rise steel structures. Under earthquake action, steel supports bear most of the horizontal shear force and reduce the horizontal displacement of the overall structure. However, in the traditional central support structure system, the general support is prone to overall and local buckling under the reciprocating action of tension and compression, resulting in its brittle fracture and finally seriously affecting the seismic performance of the overall structure. In the traditional eccentric support structure system, the energy-dissipating beam section The plastic deformation is large, and it is extremely difficult to repair after the earthquake. In order to solve th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/98E04B1/19
Inventor 张艳霞李瑞陈媛媛王宗洋
Owner BEIJING UNIV OF CIVIL ENG & ARCHITECTURE
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