Friction type finite sway shock absorber strut

Abstract

The invention belongs to the structural engineering technical field, particularly to a friction-type limitation tilting shock absorption post. The upper and the lower posts of a device are in splicing connection; posts are connected with a splice plate through a high strength bolt, and a ribbed stiffener is arranged on the splice plate on the outer side of a section steel post flange; the section steel post provides vertical bearing force and restoring force, so that the sliding generated by the friction force between the section steel post and the splice plate can be overcome to enable the upper structure to tilt; the arrangement of an oblong hole stops the structure from tilting, thereby enabling the side displacement of the structure not to be too large and preventing the structure from tilting; and the friction between the section steel post and the splice plate can dissipate the earthquake energy, and a friction sheet can increase friction effect and transfer the vertical force through the friction when the posts are fixed. The invention has the advantages of structure side-displacement limitation, small residual deformation, good shock resistance performance, ductility, hysteretic energy consumption capacity, convenient installation and replacement, installations on different floors, and realization of tilting of local floors. Therefore, the shock absorption post is an excellent structural member with shock resistance and energy consumption.

Description

technical field [0001] The invention belongs to the technical field of structural engineering, and in particular relates to a friction type limited rocking damping column. Background technique [0002] Rocking shock absorption is a novel design concept of shock absorption. In the traditional concept of seismic design, the upper structure is fastened to the lower foundation, and the structure cannot be tilted up and down to loosen the lower foundation. The seismic force is mainly resisted by lateral force-resistant components (supports, shear walls, etc.). The traditional seismic isolation technology is to reduce the energy input of the earthquake to the upper floors by installing a seismic isolation device with a small lateral stiffness but a large deformation capacity in a certain floor of the building, thereby reducing the seismic response of the upper floors. [0003] The seismic response of the rocking structure is basically the same as that of the conventional structur...

AI Technical Summary

Problems solved by technology

The energy dissipation capacity of the existing rocking support is weak, and there is no limit to the amplitude of the rocking motion. In the event of a large earthquake, the overall energy dissipation...

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