Shear key damping support capable of realizing stiffness degradation and energy dissipation

A shear key and damping technology, applied in the direction of building types, buildings, building components, etc., can solve the problems of small bearing capacity, complex structure of the limit damper, inconvenient on-site installation, etc., to achieve easy installation, good ductility, The effect of convenient transportation
CN109296102AActive Publication Date: 2019-02-01HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
Publication Date
2019-02-01

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Abstract

The invention provides a shear key damping support capable of realizing stiffness degradation and energy dissipation. The shear key damping support provides resist lateral rigidity as an ordinary support under certain axial force, when internal force of the shear key damping support reaches the certain level, stiffness degradation can be achieved, energy is dissipated through a built-in damper, thus system converting of the whole structure is achieved, and the ductility of the structure is facilitated. The shear key damping support capable of realizing stiffness degradation and energy dissipation is composed of two sections of supports connected through a bolt group, and an embedded damper; the two sections of supports are mutually nested and can relatively rub after the bolt group is damaged, and energy dissipation is conducted through the damper connected with one of the supports. According to the shear key damping support, stiffness degradation is achieved through bolt shearing, onthe one hand, the basic period of the whole structure is changed, thus the seismic influence coefficient under a short period earthquake is decreased, on the other hand, the axial compression ratio ofa structural column is greatly decreased, and thus the ductility of the structural column is ensured; and through the construction form of whole segmenting of the support, transportation is convenient, through a bolt connecting form, mounting is convenient, the bolts can be replaced after being damaged, and the requirements of fabricated structures and toughness structures are met.
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Description

technical field

[0001] The invention belongs to the field of energy dissipation supports used in high-rise structures, and in particular relates to a shear key damping support capable of realizing stiffness degradation and energy dissipation. Background technique

[0002] For high-rise and ultra-high-rise buildings, it is very important to control their response under various external effects and ensure that their interstory displacement angle, vertex velocity and other indicators meet the requirements of the code to ensure the normal use and safety of the structure. Therefore, in recent years, a large number of The new structural system has been widely used.

[0003] In order to increase the lateral stiffness of the structure in the new mechanism system, a structural form in which the core tube and the frame-support structure work together is often used, and the support in the frame has a considerable influence on the stiffness of the overall structure, so the design of the...

Claims

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