Shape-optimized assembly type shear damper with staged yield energy dissipation mechanism

Abstract

The invention discloses a shape-optimized assembly type shear damper with a staged yield energy dissipation mechanism. The damper comprises in-plane deformation energy dissipation sheets, out-of-planedeformation energy dissipation sheets, a first connecting plate and a second connecting plate; and the first connecting plate and the second connecting plate are arranged in parallel; the in-plane deformation energy dissipation sheets and the out-of-plane deformation energy dissipation sheets are fixedly arranged between the first connecting plate and the second connecting plate; a plurality of through holes are formed in each in-plane deformation energy dissipation sheet in the length direction in an array mode; each through hole is of a structure with the middle gradually collapsing towardsthe two ends; the two ends of each through hole face the first connecting plate and the second connecting plate respectively; two out-of-plane deformation energy dissipation sheets symmetrical relative to a corresponding in-plane deformation energy dissipation sheet are arranged in the middle of every two adjacent through holes; and a reserved seam is formed between the out-of-plane deformation energy dissipation sheets and the corresponding in-plane deformation energy dissipation sheet. The damper has the beneficial effects that the edge shapes of the in-plane deformation energy dissipationsheets and the out-of-plane deformation energy dissipation sheets of the damper are optimized, so that the stress distribution is more uniform, and the ductility is better.

Description

Technical field[0001]The invention relates to the technical field of structural engineering anti-seismic technology, and more specifically to an assembled shear damper with a shape-optimized staged yield energy dissipation mechanism.Background technique[0002]In recent years, my country’s earthquakes have occurred frequently, and previous earthquake damages indicate that buildings will be damaged in major earthquakes, causing serious casualties and property losses. For this reason, in recent years, energy dissipation and damping technology has developed rapidly. By adding damper devices to structural members, plastic deformation occurs before the main structure under earthquake action, which absorbs a large amount of seismic energy and greatly reduces the damage of the main structure. However, for most shear-type metal dampers, the energy consumption capacity is insufficient, the ductility is insufficient, and the energy consumption form is too simple.[0003]Therefore, how to provide ...

AI Technical Summary

Problems solved by technology

However, for most shear-type metal dampers, the energy dissipation capacity is not enough, the ductility is not enough, and the energy dissipation form is too simple

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