Shock insulation floor with tuned mass damper function

Abstract

The invention discloses a shock insulation floor with a tuned mass damper function. The shock insulation floor comprises a column, a beam, a floor body, a sliding block, a secondary floor body, a left connecting piece, a right connecting piece, an SMA spring and a protective sleeve, wherein the column is connected with the beam, the beam is connected with the floor body, the sliding block is positioned between the floor body and the secondary floor body, the SMA spring component is connected with the column and the secondary floor body, the left connecting piece is connected with the column through a bolt, the right connecting piece is connected with the secondary floor body through a bolt, the protective sleeve and the right connecting piece are welded, and the SMA spring is fixed between the left connecting piece and the right connecting piece through pretightening force. The shock insulation floor has the self-resetting performance of the SMA, provides extra restoring force, enables the secondary floor body to reset after an earthquake, has the function of a tuned mass damper, can absorb earthquake energy, improves the anti-seismic performance of a used room, and effectively protects the whole structure when more shock insulation floors are arranged.

Description

technical field [0001] The invention belongs to the field of earthquake prevention and disaster reduction in civil engineering, and is a partial shock isolation component applied in the field of structural engineering. Based on SMA springs, it has certain energy dissipation capacity and good self-resetting performance. Background technique [0002] The research on the anti-seismic performance of buildings has always been a focus of civil engineering. With the improvement of the social and economic level, the anti-seismic fortification requirements of buildings are changing from ensuring basic life safety to ensuring both life and property safety. In recent years, toughness has become the goal of engineering structures. For important buildings of special fortification and key fortification, such as hospitals, nuclear power plants, museums, etc., the precision instruments and fragile valuable contents inside are prone to damage under the action of earthquakes. , leading to pro...

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problem of excessive space occupancy of the existing tuned mass damper, the present invention proposes a seismic isolation floor with tuned mass damper function, which enhances the ability of local rooms to resist earthquakes, reduces acceleration and velocity responses, and The spring can reset the sub-floor after an earthquake, and at the same time, the sub-floor and SMA spring form a tuned mass damper to absorb earthquake energy and improve the seismic performance of the overall structure of the building

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