Light triple-heavy metal circular tube flexion restriction support energy dissipating machine

A buckling restraint, three heavy metal technology, applied in the direction of building components, earthquake resistance, etc., can solve the problems of the production, installation and performance of the energy dissipator, the stable performance of the energy dissipation performance of the energy dissipator, the weight of concrete or mortar, etc. , to achieve the effect of reducing weight, reducing construction difficulty and making it convenient
CN101413298AInactive Publication Date: 2009-04-22SOUTHEAST UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SOUTHEAST UNIV
Publication Date
2009-04-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a light buckling-restrained brace energy dissipation device with triple metal circular tubes, which consists of a core stressed tube, buckling-restrained tubes, pilot pins and end part connecting pieces. The core stressed tube is made of a metal material with lower yield strength and good tensility, the end part section thereof is reinforced through opening a groove in the middle part to ensure that the end part section is in a flexible stressed state in the whole stressing process and is positioned between a buckling-restrained inner tube and a buckling-restrained outer tube; the buckling-restrained tube consists of an inner restraining tube, an outer restraining tube and a filling-in board, the inner and outer restraining tubes limit the core stressed tube to flex along a radial part and provide the flexural rigidity for preventing the energy dissipation device from flexing integrally; the filling-in board is axially connected with the inner tube along a brace and has considerable flexural rigidity to limit the movement of a yield section of the core tube along a tangent direction; and the pilot pins are used for fixing the relative positions of the triple metal circular tubes.
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Description

technical field

[0001] The invention relates to a novel buckling-constrained support energy dissipator, which belongs to the field of civil engineering and can be used to build or reinforce engineering structures to improve its anti-seismic capability and thereby improve structural safety. Background technique

[0002] In normal use or when the structure encounters a small earthquake, the buckling restraint support energy dissipator set in the structure can provide effective support for the structure, and under the action of a moderate earthquake or a rare earthquake, it will use the yield and hysteresis properties of the metal Dissipate seismic energy, protect the main structure, and can be easily replaced after an earthquake.

[0003] Buckling-constrained braced energy dissipators are generally composed of core stress-bearing components, buckling-constrained components, unbonded isolation and compressible layers, and end connection components. The force component is alway...

Claims

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