Multi-segment composite buckling-restrained brace

Abstract

The invention discloses a multi-section combined giant buckling constraint support and belongs to the technical field of building structure earthquake resistance and disaster prevention. The multi-section combined giant buckling constraint support is characterized in that the inside and the outside are of a double-rectangular steel pipe structure in the radial direction; a periphery rectangular steel pipe is a constraint unit; an internal rectangular steel pipe is a core axial force unit; the external rectangular steel pipe tightly clings to and constrains the internal core axial force unit to control the width-to-thickness ratio of the rectangular steel of the core axial force unit, and the buckling constraint function is realized; a multi-section combined mode is adopted in the axial direction, a plurality of sections are arranged, elastic sections are arranged in the middle so as to increase the stable bearing force for support, and energy dissipation sections are arranged on the two ends to ensure an energy-dissipating capacity, are respectively produced and are welded and spliced in the field. The multi-section combined giant buckling constraint support is suitable for a super tonnage and length buckling constraint support, the dead weight of the support is lighter than that of a concrete filled steel tube buckling constraint support, the economy is good, the manufacturing process is relatively simple, the mounting and construction problems of the giant support are solved, and excellent popularization and application prospects are realized.

Description

technical field [0001] The invention relates to the technical field of anti-seismic disaster prevention of building structures, belongs to the category of passive control of structural anti-seismic, and specifically relates to a multi-segment assembled giant buckling-constrained support, which can be used in building structures to resist horizontal earthquakes, improve structural anti-seismic performance, and meet super Demand for super-large tonnage and length buckling-restrained bracing in tall building structures. Background technique [0002] The continuous emergence of super high-rise buildings in my country reflects the level of economic and social development, but our country is located in an earthquake-prone area, and earthquake disasters occur every year, which poses a huge threat to people's life and property safety. Usually the social functions and impacts of super high-rise buildings are very important. Therefore, it is necessary to reduce or control the earthqua...

AI Technical Summary

Problems solved by technology

Due to the heavy self-weight of the giant buckling restraint support, sometimes weighing hundreds of tons, the length is very long, sometimes exceeding 50m, manufacturing and installation and other factors, processing and hoisting are very difficult

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