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Self-resetting mild steel energy-dissipating brace

An energy-consuming support and self-resetting technology, which is applied to building components, building structures, and earthquake resistance, can solve problems such as inconvenient construction and high repair costs, and achieve the effects of reducing difficulty and cost, eliminating residual deformation, and easy replacement

Active Publication Date: 2015-12-16
BEIJING UNIVERSITY OF CIVIL ENGINEERING AND 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 anti-buckling support and the existing self-resetting energy-consuming support need to replace the whole support when performing post-earthquake repair work, which is very inconvenient for construction, and at the same time, the repair cost is higher

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  • Self-resetting mild steel energy-dissipating brace
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Embodiment Construction

[0033] 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 mechanism 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.

[0034] In the description of the present invention, it should be noted that unless otherwise specified and limited, th...

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Abstract

The invention relates to the technical field of frame-bracing structures, in particular to a self-resetting mild steel energy-dissipating brace, comprising an outer covering steel tube, a core mechanism disposed inside the outer covering steel tube, a mild steel energy-dissipating mechanism, a self-resetting mechanism, and a clamping mechanism. When an earthquake occurs, input energy of the earthquake can be dissipated by the mild steel energy-dissipating mechanism, and earthquake response of a main structure may also be reduced; after the earthquake acts, the brace is capable of restoring to the original state under effect of the self-resetting mechanism, and thus residual deformation of the whole structure is reduced and even eliminated; additionally, compared with an existing self-resetting brace, during post-earthquake repairing, service functions of the whole brace can be restored just by removing the clamping mechanism to replace mild steel plates press-fitted to an outer wall face of the outer covering steel tube, without replacing the whole brace; meanwhile, the mild steel plates are also easy to replace, thus the difficulty and cost of the post-earthquake repairing are greatly reduced.

Description

technical field [0001] The invention relates to the technical field of frame-support structures, in particular to a self-resetting mild steel 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 the problems e...

Claims

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Application Information

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IPC IPC(8): E04B1/98E04B1/19
Inventor 张艳霞李瑞赵文占费晨超
Owner BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE
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